Home / 472,225.49-708,129.24-135,189.35

Finding the Fourth Proportional to 472,225.49, 708,129.24 and 135,189.35

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Solution

The fourth proportional to 472,225.49, 708,129.24 and 135,189.35 is: 202,724.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,225.49 : 708,129.24 = 135,189.35 : x
  2. Step 2: Convert to fraction form
    472,225.49/708,129.24 = 135,189.35/x
  3. Step 3: Cross multiply
    472,225.49x = 708,129.24 × 135,189.35
  4. Step 4: Simplify right side
    472,225.49x = 95,731,528,130.95
  5. Step 5: Solve for x
    x = 95,731,528,130.95/472,225.49
  6. Step 6: Final answer
    x = 202,724.19

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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.