Home / 288,445.03-432,667.87-75,212.76

Finding the Fourth Proportional to 288,445.03, 432,667.87 and 75,212.76

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Solution

The fourth proportional to 288,445.03, 432,667.87 and 75,212.76 is: 112,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,445.03 : 432,667.87 = 75,212.76 : x
  2. Step 2: Convert to fraction form
    288,445.03/432,667.87 = 75,212.76/x
  3. Step 3: Cross multiply
    288,445.03x = 432,667.87 × 75,212.76
  4. Step 4: Simplify right side
    288,445.03x = 32,542,144,666.02
  5. Step 5: Solve for x
    x = 32,542,144,666.02/288,445.03
  6. Step 6: Final answer
    x = 112,819.22

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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.