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Finding the Fourth Proportional to 406,031.08, 560,308.56 and 224,743.36

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Solution

The fourth proportional to 406,031.08, 560,308.56 and 224,743.36 is: 310,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,031.08 : 560,308.56 = 224,743.36 : x
  2. Step 2: Convert to fraction form
    406,031.08/560,308.56 = 224,743.36/x
  3. Step 3: Cross multiply
    406,031.08x = 560,308.56 × 224,743.36
  4. Step 4: Simplify right side
    406,031.08x = 125,925,628,411.16
  5. Step 5: Solve for x
    x = 125,925,628,411.16/406,031.08
  6. Step 6: Final answer
    x = 310,137.90

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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.