Home / 215,522.72-297,557.52-158,835.36

Finding the Fourth Proportional to 215,522.72, 297,557.52 and 158,835.36

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Solution

The fourth proportional to 215,522.72, 297,557.52 and 158,835.36 is: 219,293.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,522.72 : 297,557.52 = 158,835.36 : x
  2. Step 2: Convert to fraction form
    215,522.72/297,557.52 = 158,835.36/x
  3. Step 3: Cross multiply
    215,522.72x = 297,557.52 × 158,835.36
  4. Step 4: Simplify right side
    215,522.72x = 47,262,655,809.91
  5. Step 5: Solve for x
    x = 47,262,655,809.91/215,522.72
  6. Step 6: Final answer
    x = 219,293.15

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1.5x scale

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.