Home / 279,595.10-385,838.58-152,272.82

Finding the Fourth Proportional to 279,595.10, 385,838.58 and 152,272.82

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Solution

The fourth proportional to 279,595.10, 385,838.58 and 152,272.82 is: 210,135.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,595.10 : 385,838.58 = 152,272.82 : x
  2. Step 2: Convert to fraction form
    279,595.10/385,838.58 = 152,272.82/x
  3. Step 3: Cross multiply
    279,595.10x = 385,838.58 × 152,272.82
  4. Step 4: Simplify right side
    279,595.10x = 58,752,728,641.40
  5. Step 5: Solve for x
    x = 58,752,728,641.40/279,595.10
  6. Step 6: Final answer
    x = 210,135.04

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1.5x scale

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.