Home / 289,132.08-433,539.72-89,398.32

Finding the Fourth Proportional to 289,132.08, 433,539.72 and 89,398.32

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Solution

The fourth proportional to 289,132.08, 433,539.72 and 89,398.32 is: 134,048.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,132.08 : 433,539.72 = 89,398.32 : x
  2. Step 2: Convert to fraction form
    289,132.08/433,539.72 = 89,398.32/x
  3. Step 3: Cross multiply
    289,132.08x = 433,539.72 × 89,398.32
  4. Step 4: Simplify right side
    289,132.08x = 38,757,722,621.27
  5. Step 5: Solve for x
    x = 38,757,722,621.27/289,132.08
  6. Step 6: Final answer
    x = 134,048.50

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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.