Home / 426,200.89-588,140.04-235,211.80

Finding the Fourth Proportional to 426,200.89, 588,140.04 and 235,211.80

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Solution

The fourth proportional to 426,200.89, 588,140.04 and 235,211.80 is: 324,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,200.89 : 588,140.04 = 235,211.80 : x
  2. Step 2: Convert to fraction form
    426,200.89/588,140.04 = 235,211.80/x
  3. Step 3: Cross multiply
    426,200.89x = 588,140.04 × 235,211.80
  4. Step 4: Simplify right side
    426,200.89x = 138,337,477,460.47
  5. Step 5: Solve for x
    x = 138,337,477,460.47/426,200.89
  6. Step 6: Final answer
    x = 324,582.80

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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.