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Finding the Fourth Proportional to 364,574.30, 546,861.45 and 187,427.30

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Solution

The fourth proportional to 364,574.30, 546,861.45 and 187,427.30 is: 281,140.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,574.30 : 546,861.45 = 187,427.30 : x
  2. Step 2: Convert to fraction form
    364,574.30/546,861.45 = 187,427.30/x
  3. Step 3: Cross multiply
    364,574.30x = 546,861.45 × 187,427.30
  4. Step 4: Simplify right side
    364,574.30x = 102,496,765,047.59
  5. Step 5: Solve for x
    x = 102,496,765,047.59/364,574.30
  6. Step 6: Final answer
    x = 281,140.95

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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.