Home / 387,948.52-535,288.74-226,772.39

Finding the Fourth Proportional to 387,948.52, 535,288.74 and 226,772.39

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Solution

The fourth proportional to 387,948.52, 535,288.74 and 226,772.39 is: 312,899.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,948.52 : 535,288.74 = 226,772.39 : x
  2. Step 2: Convert to fraction form
    387,948.52/535,288.74 = 226,772.39/x
  3. Step 3: Cross multiply
    387,948.52x = 535,288.74 × 226,772.39
  4. Step 4: Simplify right side
    387,948.52x = 121,388,707,397.71
  5. Step 5: Solve for x
    x = 121,388,707,397.71/387,948.52
  6. Step 6: Final answer
    x = 312,899.01

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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.