Home / 279,908.22-386,281.80-152,585.94

Finding the Fourth Proportional to 279,908.22, 386,281.80 and 152,585.94

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Solution

The fourth proportional to 279,908.22, 386,281.80 and 152,585.94 is: 210,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,908.22 : 386,281.80 = 152,585.94 : x
  2. Step 2: Convert to fraction form
    279,908.22/386,281.80 = 152,585.94/x
  3. Step 3: Cross multiply
    279,908.22x = 386,281.80 × 152,585.94
  4. Step 4: Simplify right side
    279,908.22x = 58,941,171,557.89
  5. Step 5: Solve for x
    x = 58,941,171,557.89/279,908.22
  6. Step 6: Final answer
    x = 210,573.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.