Home / 270,678.11-373,483.91-149,813.69

Finding the Fourth Proportional to 270,678.11, 373,483.91 and 149,813.69

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Solution

The fourth proportional to 270,678.11, 373,483.91 and 149,813.69 is: 206,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,678.11 : 373,483.91 = 149,813.69 : x
  2. Step 2: Convert to fraction form
    270,678.11/373,483.91 = 149,813.69/x
  3. Step 3: Cross multiply
    270,678.11x = 373,483.91 × 149,813.69
  4. Step 4: Simplify right side
    270,678.11x = 55,953,001,219.84
  5. Step 5: Solve for x
    x = 55,953,001,219.84/270,678.11
  6. Step 6: Final answer
    x = 206,714.18

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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.