Home / 251,038.18-378,432.01-229,758.64

Finding the Fourth Proportional to 251,038.18, 378,432.01 and 229,758.64

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Solution

The fourth proportional to 251,038.18, 378,432.01 and 229,758.64 is: 346,353.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,038.18 : 378,432.01 = 229,758.64 : x
  2. Step 2: Convert to fraction form
    251,038.18/378,432.01 = 229,758.64/x
  3. Step 3: Cross multiply
    251,038.18x = 378,432.01 × 229,758.64
  4. Step 4: Simplify right side
    251,038.18x = 86,948,023,950.07
  5. Step 5: Solve for x
    x = 86,948,023,950.07/251,038.18
  6. Step 6: Final answer
    x = 346,353.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.