Home / 300,386.88-414,637.38-173,113.20

Finding the Fourth Proportional to 300,386.88, 414,637.38 and 173,113.20

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Solution

The fourth proportional to 300,386.88, 414,637.38 and 173,113.20 is: 238,955.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,386.88 : 414,637.38 = 173,113.20 : x
  2. Step 2: Convert to fraction form
    300,386.88/414,637.38 = 173,113.20/x
  3. Step 3: Cross multiply
    300,386.88x = 414,637.38 × 173,113.20
  4. Step 4: Simplify right side
    300,386.88x = 71,779,203,691.42
  5. Step 5: Solve for x
    x = 71,779,203,691.42/300,386.88
  6. Step 6: Final answer
    x = 238,955.85

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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.