Home / 397,025.64-547,894.35-215,737.59

Finding the Fourth Proportional to 397,025.64, 547,894.35 and 215,737.59

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Solution

The fourth proportional to 397,025.64, 547,894.35 and 215,737.59 is: 297,717.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,025.64 : 547,894.35 = 215,737.59 : x
  2. Step 2: Convert to fraction form
    397,025.64/547,894.35 = 215,737.59/x
  3. Step 3: Cross multiply
    397,025.64x = 547,894.35 × 215,737.59
  4. Step 4: Simplify right side
    397,025.64x = 118,201,406,643.62
  5. Step 5: Solve for x
    x = 118,201,406,643.62/397,025.64
  6. Step 6: Final answer
    x = 297,717.31

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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.