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Finding the Fourth Proportional to 440,024.67, 660,314.67 and 187,304.77

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Solution

The fourth proportional to 440,024.67, 660,314.67 and 187,304.77 is: 281,075.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,024.67 : 660,314.67 = 187,304.77 : x
  2. Step 2: Convert to fraction form
    440,024.67/660,314.67 = 187,304.77/x
  3. Step 3: Cross multiply
    440,024.67x = 660,314.67 × 187,304.77
  4. Step 4: Simplify right side
    440,024.67x = 123,680,086,455.45
  5. Step 5: Solve for x
    x = 123,680,086,455.45/440,024.67
  6. Step 6: Final answer
    x = 281,075.35

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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.