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Finding the Fourth Proportional to 438,994.04, 658,490.90 and 123,450.93

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Solution

The fourth proportional to 438,994.04, 658,490.90 and 123,450.93 is: 185,176.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,994.04 : 658,490.90 = 123,450.93 : x
  2. Step 2: Convert to fraction form
    438,994.04/658,490.90 = 123,450.93/x
  3. Step 3: Cross multiply
    438,994.04x = 658,490.90 × 123,450.93
  4. Step 4: Simplify right side
    438,994.04x = 81,291,313,384.28
  5. Step 5: Solve for x
    x = 81,291,313,384.28/438,994.04
  6. Step 6: Final answer
    x = 185,176.35

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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.