Home / 288,916.20-433,374.30-131,452.20

Finding the Fourth Proportional to 288,916.20, 433,374.30 and 131,452.20

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Solution

The fourth proportional to 288,916.20, 433,374.30 and 131,452.20 is: 197,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,916.20 : 433,374.30 = 131,452.20 : x
  2. Step 2: Convert to fraction form
    288,916.20/433,374.30 = 131,452.20/x
  3. Step 3: Cross multiply
    288,916.20x = 433,374.30 × 131,452.20
  4. Step 4: Simplify right side
    288,916.20x = 56,968,005,158.46
  5. Step 5: Solve for x
    x = 56,968,005,158.46/288,916.20
  6. Step 6: Final answer
    x = 197,178.30

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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.