Home / 871,210.53-1,306,881.41-240,118.88

Finding the Fourth Proportional to 871,210.53, 1,306,881.41 and 240,118.88

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Solution

The fourth proportional to 871,210.53, 1,306,881.41 and 240,118.88 is: 360,196.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,210.53 : 1,306,881.41 = 240,118.88 : x
  2. Step 2: Convert to fraction form
    871,210.53/1,306,881.41 = 240,118.88/x
  3. Step 3: Cross multiply
    871,210.53x = 1,306,881.41 × 240,118.88
  4. Step 4: Simplify right side
    871,210.53x = 313,806,892,727.02
  5. Step 5: Solve for x
    x = 313,806,892,727.02/871,210.53
  6. Step 6: Final answer
    x = 360,196.40

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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.