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Finding the Fourth Proportional to 637,386.66, 956,182.86 and 258,330.96

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Solution

The fourth proportional to 637,386.66, 956,182.86 and 258,330.96 is: 387,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,386.66 : 956,182.86 = 258,330.96 : x
  2. Step 2: Convert to fraction form
    637,386.66/956,182.86 = 258,330.96/x
  3. Step 3: Cross multiply
    637,386.66x = 956,182.86 × 258,330.96
  4. Step 4: Simplify right side
    637,386.66x = 247,011,636,159.35
  5. Step 5: Solve for x
    x = 247,011,636,159.35/637,386.66
  6. Step 6: Final answer
    x = 387,538.13

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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.