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Finding the Fourth Proportional to 187,528, 281,292 and 56,200

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Solution

The fourth proportional to 187,528, 281,292 and 56,200 is: 84,300

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,528 : 281,292 = 56,200 : x
  2. Step 2: Convert to fraction form
    187,528/281,292 = 56,200/x
  3. Step 3: Cross multiply
    187,528x = 281,292 × 56,200
  4. Step 4: Simplify right side
    187,528x = 15,808,610,400
  5. Step 5: Solve for x
    x = 15,808,610,400/187,528
  6. Step 6: Final answer
    x = 84,300

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.