Home / 423,123.52-634,374.24-201,663.04

Finding the Fourth Proportional to 423,123.52, 634,374.24 and 201,663.04

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Solution

The fourth proportional to 423,123.52, 634,374.24 and 201,663.04 is: 302,346.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,123.52 : 634,374.24 = 201,663.04 : x
  2. Step 2: Convert to fraction form
    423,123.52/634,374.24 = 201,663.04/x
  3. Step 3: Cross multiply
    423,123.52x = 634,374.24 × 201,663.04
  4. Step 4: Simplify right side
    423,123.52x = 127,929,837,736.09
  5. Step 5: Solve for x
    x = 127,929,837,736.09/423,123.52
  6. Step 6: Final answer
    x = 302,346.32

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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.