Home / 228,212.10-342,350.55-70,424.10

Finding the Fourth Proportional to 228,212.10, 342,350.55 and 70,424.10

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Solution

The fourth proportional to 228,212.10, 342,350.55 and 70,424.10 is: 105,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,212.10 : 342,350.55 = 70,424.10 : x
  2. Step 2: Convert to fraction form
    228,212.10/342,350.55 = 70,424.10/x
  3. Step 3: Cross multiply
    228,212.10x = 342,350.55 × 70,424.10
  4. Step 4: Simplify right side
    228,212.10x = 24,109,729,368.26
  5. Step 5: Solve for x
    x = 24,109,729,368.26/228,212.10
  6. Step 6: Final answer
    x = 105,646.15

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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.