Home / 186,772.40-278,347.04-180,794.96

Finding the Fourth Proportional to 186,772.40, 278,347.04 and 180,794.96

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Solution

The fourth proportional to 186,772.40, 278,347.04 and 180,794.96 is: 269,438.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,772.40 : 278,347.04 = 180,794.96 : x
  2. Step 2: Convert to fraction form
    186,772.40/278,347.04 = 180,794.96/x
  3. Step 3: Cross multiply
    186,772.40x = 278,347.04 × 180,794.96
  4. Step 4: Simplify right side
    186,772.40x = 50,323,741,962.92
  5. Step 5: Solve for x
    x = 50,323,741,962.92/186,772.40
  6. Step 6: Final answer
    x = 269,438.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.