Home / 386,501.70-579,853.35-149,852.10

Finding the Fourth Proportional to 386,501.70, 579,853.35 and 149,852.10

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Solution

The fourth proportional to 386,501.70, 579,853.35 and 149,852.10 is: 224,817.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,501.70 : 579,853.35 = 149,852.10 : x
  2. Step 2: Convert to fraction form
    386,501.70/579,853.35 = 149,852.10/x
  3. Step 3: Cross multiply
    386,501.70x = 579,853.35 × 149,852.10
  4. Step 4: Simplify right side
    386,501.70x = 86,892,242,189.54
  5. Step 5: Solve for x
    x = 86,892,242,189.54/386,501.70
  6. Step 6: Final answer
    x = 224,817.23

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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.