Home / 502,268.30-693,137.70-272,830.05

Finding the Fourth Proportional to 502,268.30, 693,137.70 and 272,830.05

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Solution

The fourth proportional to 502,268.30, 693,137.70 and 272,830.05 is: 376,509.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,268.30 : 693,137.70 = 272,830.05 : x
  2. Step 2: Convert to fraction form
    502,268.30/693,137.70 = 272,830.05/x
  3. Step 3: Cross multiply
    502,268.30x = 693,137.70 × 272,830.05
  4. Step 4: Simplify right side
    502,268.30x = 189,108,793,347.89
  5. Step 5: Solve for x
    x = 189,108,793,347.89/502,268.30
  6. Step 6: Final answer
    x = 376,509.52

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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.