Home / 279,452.07-385,643.91-152,127.63

Finding the Fourth Proportional to 279,452.07, 385,643.91 and 152,127.63

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Solution

The fourth proportional to 279,452.07, 385,643.91 and 152,127.63 is: 209,936.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,452.07 : 385,643.91 = 152,127.63 : x
  2. Step 2: Convert to fraction form
    279,452.07/385,643.91 = 152,127.63/x
  3. Step 3: Cross multiply
    279,452.07x = 385,643.91 × 152,127.63
  4. Step 4: Simplify right side
    279,452.07x = 58,667,094,052.23
  5. Step 5: Solve for x
    x = 58,667,094,052.23/279,452.07
  6. Step 6: Final answer
    x = 209,936.16

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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.