Home / 386,548.70-579,823.05-165,364.70

Finding the Fourth Proportional to 386,548.70, 579,823.05 and 165,364.70

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Solution

The fourth proportional to 386,548.70, 579,823.05 and 165,364.70 is: 248,047.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,548.70 : 579,823.05 = 165,364.70 : x
  2. Step 2: Convert to fraction form
    386,548.70/579,823.05 = 165,364.70/x
  3. Step 3: Cross multiply
    386,548.70x = 579,823.05 × 165,364.70
  4. Step 4: Simplify right side
    386,548.70x = 95,882,264,716.34
  5. Step 5: Solve for x
    x = 95,882,264,716.34/386,548.70
  6. Step 6: Final answer
    x = 248,047.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.