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Finding the Fourth Proportional to 406,005.68, 560,283.54 and 224,717.96

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Solution

The fourth proportional to 406,005.68, 560,283.54 and 224,717.96 is: 310,108.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,005.68 : 560,283.54 = 224,717.96 : x
  2. Step 2: Convert to fraction form
    406,005.68/560,283.54 = 224,717.96/x
  3. Step 3: Cross multiply
    406,005.68x = 560,283.54 × 224,717.96
  4. Step 4: Simplify right side
    406,005.68x = 125,905,774,130.38
  5. Step 5: Solve for x
    x = 125,905,774,130.38/406,005.68
  6. Step 6: Final answer
    x = 310,108.41

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1.5x scale

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.