Home / 434,490.20-651,702.90-181,705.40

Finding the Fourth Proportional to 434,490.20, 651,702.90 and 181,705.40

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Solution

The fourth proportional to 434,490.20, 651,702.90 and 181,705.40 is: 272,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,490.20 : 651,702.90 = 181,705.40 : x
  2. Step 2: Convert to fraction form
    434,490.20/651,702.90 = 181,705.40/x
  3. Step 3: Cross multiply
    434,490.20x = 651,702.90 × 181,705.40
  4. Step 4: Simplify right side
    434,490.20x = 118,417,936,125.66
  5. Step 5: Solve for x
    x = 118,417,936,125.66/434,490.20
  6. Step 6: Final answer
    x = 272,544.55

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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.