Home / 317,692.32-438,423.04-172,504.28

Finding the Fourth Proportional to 317,692.32, 438,423.04 and 172,504.28

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Solution

The fourth proportional to 317,692.32, 438,423.04 and 172,504.28 is: 238,060.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,692.32 : 438,423.04 = 172,504.28 : x
  2. Step 2: Convert to fraction form
    317,692.32/438,423.04 = 172,504.28/x
  3. Step 3: Cross multiply
    317,692.32x = 438,423.04 × 172,504.28
  4. Step 4: Simplify right side
    317,692.32x = 75,629,850,850.61
  5. Step 5: Solve for x
    x = 75,629,850,850.61/317,692.32
  6. Step 6: Final answer
    x = 238,060.05

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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.