Home / 289,025.30-433,570.35-89,344.10

Finding the Fourth Proportional to 289,025.30, 433,570.35 and 89,344.10

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Solution

The fourth proportional to 289,025.30, 433,570.35 and 89,344.10 is: 134,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,025.30 : 433,570.35 = 89,344.10 : x
  2. Step 2: Convert to fraction form
    289,025.30/433,570.35 = 89,344.10/x
  3. Step 3: Cross multiply
    289,025.30x = 433,570.35 × 89,344.10
  4. Step 4: Simplify right side
    289,025.30x = 38,736,952,707.44
  5. Step 5: Solve for x
    x = 38,736,952,707.44/289,025.30
  6. Step 6: Final answer
    x = 134,026.17

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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.