Home / 239,731.77-359,202.50-215,011.16

Finding the Fourth Proportional to 239,731.77, 359,202.50 and 215,011.16

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Solution

The fourth proportional to 239,731.77, 359,202.50 and 215,011.16 is: 322,162.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,731.77 : 359,202.50 = 215,011.16 : x
  2. Step 2: Convert to fraction form
    239,731.77/359,202.50 = 215,011.16/x
  3. Step 3: Cross multiply
    239,731.77x = 359,202.50 × 215,011.16
  4. Step 4: Simplify right side
    239,731.77x = 77,232,544,941.42
  5. Step 5: Solve for x
    x = 77,232,544,941.42/239,731.77
  6. Step 6: Final answer
    x = 322,162.33

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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.