Home / 316,402.24-474,006.72-245,939.20

Finding the Fourth Proportional to 316,402.24, 474,006.72 and 245,939.20

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Solution

The fourth proportional to 316,402.24, 474,006.72 and 245,939.20 is: 368,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,402.24 : 474,006.72 = 245,939.20 : x
  2. Step 2: Convert to fraction form
    316,402.24/474,006.72 = 245,939.20/x
  3. Step 3: Cross multiply
    316,402.24x = 474,006.72 × 245,939.20
  4. Step 4: Simplify right side
    316,402.24x = 116,576,833,511.42
  5. Step 5: Solve for x
    x = 116,576,833,511.42/316,402.24
  6. Step 6: Final answer
    x = 368,445.03

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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.