Home / 316,275.28-436,388.52-188,926

Finding the Fourth Proportional to 316,275.28, 436,388.52 and 188,926

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Solution

The fourth proportional to 316,275.28, 436,388.52 and 188,926 is: 260,675.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,275.28 : 436,388.52 = 188,926 : x
  2. Step 2: Convert to fraction form
    316,275.28/436,388.52 = 188,926/x
  3. Step 3: Cross multiply
    316,275.28x = 436,388.52 × 188,926
  4. Step 4: Simplify right side
    316,275.28x = 82,445,137,529.52
  5. Step 5: Solve for x
    x = 82,445,137,529.52/316,275.28
  6. Step 6: Final answer
    x = 260,675.25

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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.