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Finding the Fourth Proportional to 426,304.49, 588,300.71 and 235,317.87

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Solution

The fourth proportional to 426,304.49, 588,300.71 and 235,317.87 is: 324,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,304.49 : 588,300.71 = 235,317.87 : x
  2. Step 2: Convert to fraction form
    426,304.49/588,300.71 = 235,317.87/x
  3. Step 3: Cross multiply
    426,304.49x = 588,300.71 × 235,317.87
  4. Step 4: Simplify right side
    426,304.49x = 138,437,668,820.10
  5. Step 5: Solve for x
    x = 138,437,668,820.10/426,304.49
  6. Step 6: Final answer
    x = 324,738.95

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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.