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Finding the Fourth Proportional to 334,759.80, 502,722.90 and 235,615.80

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Solution

The fourth proportional to 334,759.80, 502,722.90 and 235,615.80 is: 353,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,759.80 : 502,722.90 = 235,615.80 : x
  2. Step 2: Convert to fraction form
    334,759.80/502,722.90 = 235,615.80/x
  3. Step 3: Cross multiply
    334,759.80x = 502,722.90 × 235,615.80
  4. Step 4: Simplify right side
    334,759.80x = 118,449,458,261.82
  5. Step 5: Solve for x
    x = 118,449,458,261.82/334,759.80
  6. Step 6: Final answer
    x = 353,834.18

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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.