Home / 279,588.12-385,828.92-152,265.84

Finding the Fourth Proportional to 279,588.12, 385,828.92 and 152,265.84

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Solution

The fourth proportional to 279,588.12, 385,828.92 and 152,265.84 is: 210,125.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,588.12 : 385,828.92 = 152,265.84 : x
  2. Step 2: Convert to fraction form
    279,588.12/385,828.92 = 152,265.84/x
  3. Step 3: Cross multiply
    279,588.12x = 385,828.92 × 152,265.84
  4. Step 4: Simplify right side
    279,588.12x = 58,748,564,600.09
  5. Step 5: Solve for x
    x = 58,748,564,600.09/279,588.12
  6. Step 6: Final answer
    x = 210,125.40

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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.