Home / 326,200.20-490,284.45-282,897.60

Finding the Fourth Proportional to 326,200.20, 490,284.45 and 282,897.60

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Solution

The fourth proportional to 326,200.20, 490,284.45 and 282,897.60 is: 425,199.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,200.20 : 490,284.45 = 282,897.60 : x
  2. Step 2: Convert to fraction form
    326,200.20/490,284.45 = 282,897.60/x
  3. Step 3: Cross multiply
    326,200.20x = 490,284.45 × 282,897.60
  4. Step 4: Simplify right side
    326,200.20x = 138,700,294,222.32
  5. Step 5: Solve for x
    x = 138,700,294,222.32/326,200.20
  6. Step 6: Final answer
    x = 425,199.91

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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.