Home / 289,158.02-433,426.75-120,551.25

Finding the Fourth Proportional to 289,158.02, 433,426.75 and 120,551.25

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Solution

The fourth proportional to 289,158.02, 433,426.75 and 120,551.25 is: 180,697.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,158.02 : 433,426.75 = 120,551.25 : x
  2. Step 2: Convert to fraction form
    289,158.02/433,426.75 = 120,551.25/x
  3. Step 3: Cross multiply
    289,158.02x = 433,426.75 × 120,551.25
  4. Step 4: Simplify right side
    289,158.02x = 52,250,137,819.91
  5. Step 5: Solve for x
    x = 52,250,137,819.91/289,158.02
  6. Step 6: Final answer
    x = 180,697.52

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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.