Home / 315,269.10-435,081.85-172,037.00

Finding the Fourth Proportional to 315,269.10, 435,081.85 and 172,037.00

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Solution

The fourth proportional to 315,269.10, 435,081.85 and 172,037.00 is: 237,416.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,269.10 : 435,081.85 = 172,037.00 : x
  2. Step 2: Convert to fraction form
    315,269.10/435,081.85 = 172,037.00/x
  3. Step 3: Cross multiply
    315,269.10x = 435,081.85 × 172,037.00
  4. Step 4: Simplify right side
    315,269.10x = 74,850,176,886.06
  5. Step 5: Solve for x
    x = 74,850,176,886.06/315,269.10
  6. Step 6: Final answer
    x = 237,416.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.