Home / 370,681.92-556,061.76-121,383.36

Finding the Fourth Proportional to 370,681.92, 556,061.76 and 121,383.36

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Solution

The fourth proportional to 370,681.92, 556,061.76 and 121,383.36 is: 182,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,681.92 : 556,061.76 = 121,383.36 : x
  2. Step 2: Convert to fraction form
    370,681.92/556,061.76 = 121,383.36/x
  3. Step 3: Cross multiply
    370,681.92x = 556,061.76 × 121,383.36
  4. Step 4: Simplify right side
    370,681.92x = 67,496,644,796.31
  5. Step 5: Solve for x
    x = 67,496,644,796.31/370,681.92
  6. Step 6: Final answer
    x = 182,087.77

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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.