Home / 279,529.83-385,749.53-152,205.12

Finding the Fourth Proportional to 279,529.83, 385,749.53 and 152,205.12

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Solution

The fourth proportional to 279,529.83, 385,749.53 and 152,205.12 is: 210,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,529.83 : 385,749.53 = 152,205.12 : x
  2. Step 2: Convert to fraction form
    279,529.83/385,749.53 = 152,205.12/x
  3. Step 3: Cross multiply
    279,529.83x = 385,749.53 × 152,205.12
  4. Step 4: Simplify right side
    279,529.83x = 58,713,055,330.67
  5. Step 5: Solve for x
    x = 58,713,055,330.67/279,529.83
  6. Step 6: Final answer
    x = 210,042.18

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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.