Home / 334,367.10-502,338-272,431.26

Finding the Fourth Proportional to 334,367.10, 502,338 and 272,431.26

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Solution

The fourth proportional to 334,367.10, 502,338 and 272,431.26 is: 409,288.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,367.10 : 502,338 = 272,431.26 : x
  2. Step 2: Convert to fraction form
    334,367.10/502,338 = 272,431.26/x
  3. Step 3: Cross multiply
    334,367.10x = 502,338 × 272,431.26
  4. Step 4: Simplify right side
    334,367.10x = 136,852,574,285.88
  5. Step 5: Solve for x
    x = 136,852,574,285.88/334,367.10
  6. Step 6: Final answer
    x = 409,288.40

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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.