Home / 288,830.22-433,205.16-89,157.12

Finding the Fourth Proportional to 288,830.22, 433,205.16 and 89,157.12

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Solution

The fourth proportional to 288,830.22, 433,205.16 and 89,157.12 is: 133,723.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,830.22 : 433,205.16 = 89,157.12 : x
  2. Step 2: Convert to fraction form
    288,830.22/433,205.16 = 89,157.12/x
  3. Step 3: Cross multiply
    288,830.22x = 433,205.16 × 89,157.12
  4. Step 4: Simplify right side
    288,830.22x = 38,623,324,434.74
  5. Step 5: Solve for x
    x = 38,623,324,434.74/288,830.22
  6. Step 6: Final answer
    x = 133,723.28

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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.