Home / 215,478.04-322,776.42-175,639

Finding the Fourth Proportional to 215,478.04, 322,776.42 and 175,639

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Solution

The fourth proportional to 215,478.04, 322,776.42 and 175,639 is: 263,099.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,478.04 : 322,776.42 = 175,639 : x
  2. Step 2: Convert to fraction form
    215,478.04/322,776.42 = 175,639/x
  3. Step 3: Cross multiply
    215,478.04x = 322,776.42 × 175,639
  4. Step 4: Simplify right side
    215,478.04x = 56,692,127,632.38
  5. Step 5: Solve for x
    x = 56,692,127,632.38/215,478.04
  6. Step 6: Final answer
    x = 263,099.33

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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.