Home / 316,541.86-436,829.04-173,315.23

Finding the Fourth Proportional to 316,541.86, 436,829.04 and 173,315.23

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Solution

The fourth proportional to 316,541.86, 436,829.04 and 173,315.23 is: 239,175.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,541.86 : 436,829.04 = 173,315.23 : x
  2. Step 2: Convert to fraction form
    316,541.86/436,829.04 = 173,315.23/x
  3. Step 3: Cross multiply
    316,541.86x = 436,829.04 × 173,315.23
  4. Step 4: Simplify right side
    316,541.86x = 75,709,125,538.28
  5. Step 5: Solve for x
    x = 75,709,125,538.28/316,541.86
  6. Step 6: Final answer
    x = 239,175.71

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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.