Home / 345,005.36-517,474.02-108,341.72

Finding the Fourth Proportional to 345,005.36, 517,474.02 and 108,341.72

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Solution

The fourth proportional to 345,005.36, 517,474.02 and 108,341.72 is: 162,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,005.36 : 517,474.02 = 108,341.72 : x
  2. Step 2: Convert to fraction form
    345,005.36/517,474.02 = 108,341.72/x
  3. Step 3: Cross multiply
    345,005.36x = 517,474.02 × 108,341.72
  4. Step 4: Simplify right side
    345,005.36x = 56,064,025,382.11
  5. Step 5: Solve for x
    x = 56,064,025,382.11/345,005.36
  6. Step 6: Final answer
    x = 162,501.90

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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.