Home / 315,932.72-473,490.84-236,423.12

Finding the Fourth Proportional to 315,932.72, 473,490.84 and 236,423.12

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Solution

The fourth proportional to 315,932.72, 473,490.84 and 236,423.12 is: 354,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,932.72 : 473,490.84 = 236,423.12 : x
  2. Step 2: Convert to fraction form
    315,932.72/473,490.84 = 236,423.12/x
  3. Step 3: Cross multiply
    315,932.72x = 473,490.84 × 236,423.12
  4. Step 4: Simplify right side
    315,932.72x = 111,944,181,684.22
  5. Step 5: Solve for x
    x = 111,944,181,684.22/315,932.72
  6. Step 6: Final answer
    x = 354,329.18

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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.