Home / 316,536.52-436,828.02-173,296.12

Finding the Fourth Proportional to 316,536.52, 436,828.02 and 173,296.12

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Solution

The fourth proportional to 316,536.52, 436,828.02 and 173,296.12 is: 239,152.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,536.52 : 436,828.02 = 173,296.12 : x
  2. Step 2: Convert to fraction form
    316,536.52/436,828.02 = 173,296.12/x
  3. Step 3: Cross multiply
    316,536.52x = 436,828.02 × 173,296.12
  4. Step 4: Simplify right side
    316,536.52x = 75,700,600,973.28
  5. Step 5: Solve for x
    x = 75,700,600,973.28/316,536.52
  6. Step 6: Final answer
    x = 239,152.82

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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.