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Finding the Fourth Proportional to 425,180, 586,705.83 and 261,810.32

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Solution

The fourth proportional to 425,180, 586,705.83 and 261,810.32 is: 361,272.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,180 : 586,705.83 = 261,810.32 : x
  2. Step 2: Convert to fraction form
    425,180/586,705.83 = 261,810.32/x
  3. Step 3: Cross multiply
    425,180x = 586,705.83 × 261,810.32
  4. Step 4: Simplify right side
    425,180x = 153,605,641,098.17
  5. Step 5: Solve for x
    x = 153,605,641,098.17/425,180
  6. Step 6: Final answer
    x = 361,272.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.