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Finding the Fourth Proportional to 334,081.25, 501,151.08 and 84,763.25

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Solution

The fourth proportional to 334,081.25, 501,151.08 and 84,763.25 is: 127,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,081.25 : 501,151.08 = 84,763.25 : x
  2. Step 2: Convert to fraction form
    334,081.25/501,151.08 = 84,763.25/x
  3. Step 3: Cross multiply
    334,081.25x = 501,151.08 × 84,763.25
  4. Step 4: Simplify right side
    334,081.25x = 42,479,194,281.81
  5. Step 5: Solve for x
    x = 42,479,194,281.81/334,081.25
  6. Step 6: Final answer
    x = 127,152.28

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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.