Home / 317,376.43-476,062.59-80,717.07

Finding the Fourth Proportional to 317,376.43, 476,062.59 and 80,717.07

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Solution

The fourth proportional to 317,376.43, 476,062.59 and 80,717.07 is: 121,075.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,376.43 : 476,062.59 = 80,717.07 : x
  2. Step 2: Convert to fraction form
    317,376.43/476,062.59 = 80,717.07/x
  3. Step 3: Cross multiply
    317,376.43x = 476,062.59 × 80,717.07
  4. Step 4: Simplify right side
    317,376.43x = 38,426,377,401.41
  5. Step 5: Solve for x
    x = 38,426,377,401.41/317,376.43
  6. Step 6: Final answer
    x = 121,075.08

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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.