Home / 437,942.28-656,913.42-105,518.28

Finding the Fourth Proportional to 437,942.28, 656,913.42 and 105,518.28

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Solution

The fourth proportional to 437,942.28, 656,913.42 and 105,518.28 is: 158,277.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,942.28 : 656,913.42 = 105,518.28 : x
  2. Step 2: Convert to fraction form
    437,942.28/656,913.42 = 105,518.28/x
  3. Step 3: Cross multiply
    437,942.28x = 656,913.42 × 105,518.28
  4. Step 4: Simplify right side
    437,942.28x = 69,316,374,187.32
  5. Step 5: Solve for x
    x = 69,316,374,187.32/437,942.28
  6. Step 6: Final answer
    x = 158,277.42

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.