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Finding the Fourth Proportional to 610,275, 915,412.68 and 189,550.92

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Solution

The fourth proportional to 610,275, 915,412.68 and 189,550.92 is: 284,326.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,275 : 915,412.68 = 189,550.92 : x
  2. Step 2: Convert to fraction form
    610,275/915,412.68 = 189,550.92/x
  3. Step 3: Cross multiply
    610,275x = 915,412.68 × 189,550.92
  4. Step 4: Simplify right side
    610,275x = 173,517,315,673.67
  5. Step 5: Solve for x
    x = 173,517,315,673.67/610,275
  6. Step 6: Final answer
    x = 284,326.44

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1.5x scale

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.