Home / 370,110.84-555,167.70-89,628.36

Finding the Fourth Proportional to 370,110.84, 555,167.70 and 89,628.36

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Solution

The fourth proportional to 370,110.84, 555,167.70 and 89,628.36 is: 134,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,110.84 : 555,167.70 = 89,628.36 : x
  2. Step 2: Convert to fraction form
    370,110.84/555,167.70 = 89,628.36/x
  3. Step 3: Cross multiply
    370,110.84x = 555,167.70 × 89,628.36
  4. Step 4: Simplify right side
    370,110.84x = 49,758,770,475.97
  5. Step 5: Solve for x
    x = 49,758,770,475.97/370,110.84
  6. Step 6: Final answer
    x = 134,442.89

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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.