Home / 289,014.24-433,562.90-89,350.20

Finding the Fourth Proportional to 289,014.24, 433,562.90 and 89,350.20

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Solution

The fourth proportional to 289,014.24, 433,562.90 and 89,350.20 is: 134,038.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,014.24 : 433,562.90 = 89,350.20 : x
  2. Step 2: Convert to fraction form
    289,014.24/433,562.90 = 89,350.20/x
  3. Step 3: Cross multiply
    289,014.24x = 433,562.90 × 89,350.20
  4. Step 4: Simplify right side
    289,014.24x = 38,738,930,807.18
  5. Step 5: Solve for x
    x = 38,738,930,807.18/289,014.24
  6. Step 6: Final answer
    x = 134,038.14

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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.