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Finding the Fourth Proportional to 187,083.90, 280,628.26 and 62,424.90

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Solution

The fourth proportional to 187,083.90, 280,628.26 and 62,424.90 is: 93,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,083.90 : 280,628.26 = 62,424.90 : x
  2. Step 2: Convert to fraction form
    187,083.90/280,628.26 = 62,424.90/x
  3. Step 3: Cross multiply
    187,083.90x = 280,628.26 × 62,424.90
  4. Step 4: Simplify right side
    187,083.90x = 17,518,191,067.67
  5. Step 5: Solve for x
    x = 17,518,191,067.67/187,083.90
  6. Step 6: Final answer
    x = 93,638.15

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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.