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Finding the Fourth Proportional to 187,388.58, 281,065.58 and 62,730.66

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Solution

The fourth proportional to 187,388.58, 281,065.58 and 62,730.66 is: 94,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,388.58 : 281,065.58 = 62,730.66 : x
  2. Step 2: Convert to fraction form
    187,388.58/281,065.58 = 62,730.66/x
  3. Step 3: Cross multiply
    187,388.58x = 281,065.58 × 62,730.66
  4. Step 4: Simplify right side
    187,388.58x = 17,631,429,336.68
  5. Step 5: Solve for x
    x = 17,631,429,336.68/187,388.58
  6. Step 6: Final answer
    x = 94,090.20

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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.