Home / 289,281.24-433,963.08-89,617.32

Finding the Fourth Proportional to 289,281.24, 433,963.08 and 89,617.32

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Solution

The fourth proportional to 289,281.24, 433,963.08 and 89,617.32 is: 134,438.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,281.24 : 433,963.08 = 89,617.32 : x
  2. Step 2: Convert to fraction form
    289,281.24/433,963.08 = 89,617.32/x
  3. Step 3: Cross multiply
    289,281.24x = 433,963.08 × 89,617.32
  4. Step 4: Simplify right side
    289,281.24x = 38,890,608,208.55
  5. Step 5: Solve for x
    x = 38,890,608,208.55/289,281.24
  6. Step 6: Final answer
    x = 134,438.75

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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.