Home / 370,269.42-555,405.93-89,786.58

Finding the Fourth Proportional to 370,269.42, 555,405.93 and 89,786.58

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Solution

The fourth proportional to 370,269.42, 555,405.93 and 89,786.58 is: 134,680.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,269.42 : 555,405.93 = 89,786.58 : x
  2. Step 2: Convert to fraction form
    370,269.42/555,405.93 = 89,786.58/x
  3. Step 3: Cross multiply
    370,269.42x = 555,405.93 × 89,786.58
  4. Step 4: Simplify right side
    370,269.42x = 49,867,998,966.42
  5. Step 5: Solve for x
    x = 49,867,998,966.42/370,269.42
  6. Step 6: Final answer
    x = 134,680.31

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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.