Home / 279,330.06-385,474.77-152,005.62

Finding the Fourth Proportional to 279,330.06, 385,474.77 and 152,005.62

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Solution

The fourth proportional to 279,330.06, 385,474.77 and 152,005.62 is: 209,767.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,330.06 : 385,474.77 = 152,005.62 : x
  2. Step 2: Convert to fraction form
    279,330.06/385,474.77 = 152,005.62/x
  3. Step 3: Cross multiply
    279,330.06x = 385,474.77 × 152,005.62
  4. Step 4: Simplify right side
    279,330.06x = 58,594,331,408.21
  5. Step 5: Solve for x
    x = 58,594,331,408.21/279,330.06
  6. Step 6: Final answer
    x = 209,767.37

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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.