Home / 426,200.64-588,139.70-235,211.55

Finding the Fourth Proportional to 426,200.64, 588,139.70 and 235,211.55

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Solution

The fourth proportional to 426,200.64, 588,139.70 and 235,211.55 is: 324,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,200.64 : 588,139.70 = 235,211.55 : x
  2. Step 2: Convert to fraction form
    426,200.64/588,139.70 = 235,211.55/x
  3. Step 3: Cross multiply
    426,200.64x = 588,139.70 × 235,211.55
  4. Step 4: Simplify right side
    426,200.64x = 138,337,249,277.48
  5. Step 5: Solve for x
    x = 138,337,249,277.48/426,200.64
  6. Step 6: Final answer
    x = 324,582.45

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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.