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Finding the Fourth Proportional to 580,248.23, 870,062.45 and 201,071.70

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Solution

The fourth proportional to 580,248.23, 870,062.45 and 201,071.70 is: 301,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,248.23 : 870,062.45 = 201,071.70 : x
  2. Step 2: Convert to fraction form
    580,248.23/870,062.45 = 201,071.70/x
  3. Step 3: Cross multiply
    580,248.23x = 870,062.45 × 201,071.70
  4. Step 4: Simplify right side
    580,248.23x = 174,944,934,922.31
  5. Step 5: Solve for x
    x = 174,944,934,922.31/580,248.23
  6. Step 6: Final answer
    x = 301,500.16

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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.