Home / 289,125.36-433,729.32-89,462.76

Finding the Fourth Proportional to 289,125.36, 433,729.32 and 89,462.76

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Solution

The fourth proportional to 289,125.36, 433,729.32 and 89,462.76 is: 134,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,125.36 : 433,729.32 = 89,462.76 : x
  2. Step 2: Convert to fraction form
    289,125.36/433,729.32 = 89,462.76/x
  3. Step 3: Cross multiply
    289,125.36x = 433,729.32 × 89,462.76
  4. Step 4: Simplify right side
    289,125.36x = 38,802,622,060.12
  5. Step 5: Solve for x
    x = 38,802,622,060.12/289,125.36
  6. Step 6: Final answer
    x = 134,206.91

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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.