Home / 402,095.51-554,864.23-220,819.18

Finding the Fourth Proportional to 402,095.51, 554,864.23 and 220,819.18

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Solution

The fourth proportional to 402,095.51, 554,864.23 and 220,819.18 is: 304,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,095.51 : 554,864.23 = 220,819.18 : x
  2. Step 2: Convert to fraction form
    402,095.51/554,864.23 = 220,819.18/x
  3. Step 3: Cross multiply
    402,095.51x = 554,864.23 × 220,819.18
  4. Step 4: Simplify right side
    402,095.51x = 122,524,663,168.80
  5. Step 5: Solve for x
    x = 122,524,663,168.80/402,095.51
  6. Step 6: Final answer
    x = 304,715.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.