Home / 316,456.23-436,710.24-173,225.43

Finding the Fourth Proportional to 316,456.23, 436,710.24 and 173,225.43

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Solution

The fourth proportional to 316,456.23, 436,710.24 and 173,225.43 is: 239,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,456.23 : 436,710.24 = 173,225.43 : x
  2. Step 2: Convert to fraction form
    316,456.23/436,710.24 = 173,225.43/x
  3. Step 3: Cross multiply
    316,456.23x = 436,710.24 × 173,225.43
  4. Step 4: Simplify right side
    316,456.23x = 75,649,319,109.40
  5. Step 5: Solve for x
    x = 75,649,319,109.40/316,456.23
  6. Step 6: Final answer
    x = 239,051.45

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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.