Home / 316,110.24-436,231.80-172,870.20

Finding the Fourth Proportional to 316,110.24, 436,231.80 and 172,870.20

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Solution

The fourth proportional to 316,110.24, 436,231.80 and 172,870.20 is: 238,560.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,110.24 : 436,231.80 = 172,870.20 : x
  2. Step 2: Convert to fraction form
    316,110.24/436,231.80 = 172,870.20/x
  3. Step 3: Cross multiply
    316,110.24x = 436,231.80 × 172,870.20
  4. Step 4: Simplify right side
    316,110.24x = 75,411,478,512.36
  5. Step 5: Solve for x
    x = 75,411,478,512.36/316,110.24
  6. Step 6: Final answer
    x = 238,560.69

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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.