Home / 309,527.80-464,423.04-169,122.40

Finding the Fourth Proportional to 309,527.80, 464,423.04 and 169,122.40

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Solution

The fourth proportional to 309,527.80, 464,423.04 and 169,122.40 is: 253,755.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,527.80 : 464,423.04 = 169,122.40 : x
  2. Step 2: Convert to fraction form
    309,527.80/464,423.04 = 169,122.40/x
  3. Step 3: Cross multiply
    309,527.80x = 464,423.04 × 169,122.40
  4. Step 4: Simplify right side
    309,527.80x = 78,544,339,140.10
  5. Step 5: Solve for x
    x = 78,544,339,140.10/309,527.80
  6. Step 6: Final answer
    x = 253,755.36

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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.