Home / 871,281.40-1,306,987.74-240,189.88

Finding the Fourth Proportional to 871,281.40, 1,306,987.74 and 240,189.88

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Solution

The fourth proportional to 871,281.40, 1,306,987.74 and 240,189.88 is: 360,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,281.40 : 1,306,987.74 = 240,189.88 : x
  2. Step 2: Convert to fraction form
    871,281.40/1,306,987.74 = 240,189.88/x
  3. Step 3: Cross multiply
    871,281.40x = 1,306,987.74 × 240,189.88
  4. Step 4: Simplify right side
    871,281.40x = 313,925,228,432.07
  5. Step 5: Solve for x
    x = 313,925,228,432.07/871,281.40
  6. Step 6: Final answer
    x = 360,302.92

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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.