Home / 289,013.80-433,553.10-89,332.60

Finding the Fourth Proportional to 289,013.80, 433,553.10 and 89,332.60

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Solution

The fourth proportional to 289,013.80, 433,553.10 and 89,332.60 is: 134,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,013.80 : 433,553.10 = 89,332.60 : x
  2. Step 2: Convert to fraction form
    289,013.80/433,553.10 = 89,332.60/x
  3. Step 3: Cross multiply
    289,013.80x = 433,553.10 × 89,332.60
  4. Step 4: Simplify right side
    289,013.80x = 38,730,425,661.06
  5. Step 5: Solve for x
    x = 38,730,425,661.06/289,013.80
  6. Step 6: Final answer
    x = 134,008.91

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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.