Home / 316,376.20-436,599.18-173,136.32

Finding the Fourth Proportional to 316,376.20, 436,599.18 and 173,136.32

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Solution

The fourth proportional to 316,376.20, 436,599.18 and 173,136.32 is: 238,928.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,376.20 : 436,599.18 = 173,136.32 : x
  2. Step 2: Convert to fraction form
    316,376.20/436,599.18 = 173,136.32/x
  3. Step 3: Cross multiply
    316,376.20x = 436,599.18 × 173,136.32
  4. Step 4: Simplify right side
    316,376.20x = 75,591,175,340.22
  5. Step 5: Solve for x
    x = 75,591,175,340.22/316,376.20
  6. Step 6: Final answer
    x = 238,928.13

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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.