Home / 288,301.68-397,750.91-180,832.50

Finding the Fourth Proportional to 288,301.68, 397,750.91 and 180,832.50

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Solution

The fourth proportional to 288,301.68, 397,750.91 and 180,832.50 is: 249,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,301.68 : 397,750.91 = 180,832.50 : x
  2. Step 2: Convert to fraction form
    288,301.68/397,750.91 = 180,832.50/x
  3. Step 3: Cross multiply
    288,301.68x = 397,750.91 × 180,832.50
  4. Step 4: Simplify right side
    288,301.68x = 71,926,290,528.41
  5. Step 5: Solve for x
    x = 71,926,290,528.41/288,301.68
  6. Step 6: Final answer
    x = 249,482.73

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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.