Home / 305,469.10-457,814.85-272,032.30

Finding the Fourth Proportional to 305,469.10, 457,814.85 and 272,032.30

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Solution

The fourth proportional to 305,469.10, 457,814.85 and 272,032.30 is: 407,702.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,469.10 : 457,814.85 = 272,032.30 : x
  2. Step 2: Convert to fraction form
    305,469.10/457,814.85 = 272,032.30/x
  3. Step 3: Cross multiply
    305,469.10x = 457,814.85 × 272,032.30
  4. Step 4: Simplify right side
    305,469.10x = 124,540,426,619.66
  5. Step 5: Solve for x
    x = 124,540,426,619.66/305,469.10
  6. Step 6: Final answer
    x = 407,702.21

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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.