Home / 305,315.10-457,897.98-238,589.73

Finding the Fourth Proportional to 305,315.10, 457,897.98 and 238,589.73

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Solution

The fourth proportional to 305,315.10, 457,897.98 and 238,589.73 is: 357,826.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,315.10 : 457,897.98 = 238,589.73 : x
  2. Step 2: Convert to fraction form
    305,315.10/457,897.98 = 238,589.73/x
  3. Step 3: Cross multiply
    305,315.10x = 457,897.98 × 238,589.73
  4. Step 4: Simplify right side
    305,315.10x = 109,249,755,415.75
  5. Step 5: Solve for x
    x = 109,249,755,415.75/305,315.10
  6. Step 6: Final answer
    x = 357,826.24

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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.