Home / 316,349.40-436,562.16-173,109.46

Finding the Fourth Proportional to 316,349.40, 436,562.16 and 173,109.46

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Solution

The fourth proportional to 316,349.40, 436,562.16 and 173,109.46 is: 238,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,349.40 : 436,562.16 = 173,109.46 : x
  2. Step 2: Convert to fraction form
    316,349.40/436,562.16 = 173,109.46/x
  3. Step 3: Cross multiply
    316,349.40x = 436,562.16 × 173,109.46
  4. Step 4: Simplify right side
    316,349.40x = 75,573,038,908.49
  5. Step 5: Solve for x
    x = 75,573,038,908.49/316,349.40
  6. Step 6: Final answer
    x = 238,891.05

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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.