Home / 472,919.49-709,359.36-220,113.03

Finding the Fourth Proportional to 472,919.49, 709,359.36 and 220,113.03

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Solution

The fourth proportional to 472,919.49, 709,359.36 and 220,113.03 is: 330,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,919.49 : 709,359.36 = 220,113.03 : x
  2. Step 2: Convert to fraction form
    472,919.49/709,359.36 = 220,113.03/x
  3. Step 3: Cross multiply
    472,919.49x = 709,359.36 × 220,113.03
  4. Step 4: Simplify right side
    472,919.49x = 156,139,238,088.46
  5. Step 5: Solve for x
    x = 156,139,238,088.46/472,919.49
  6. Step 6: Final answer
    x = 330,160.29

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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.