Home / 316,224.90-436,386.83-172,983.24

Finding the Fourth Proportional to 316,224.90, 436,386.83 and 172,983.24

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Solution

The fourth proportional to 316,224.90, 436,386.83 and 172,983.24 is: 238,714.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,224.90 : 436,386.83 = 172,983.24 : x
  2. Step 2: Convert to fraction form
    316,224.90/436,386.83 = 172,983.24/x
  3. Step 3: Cross multiply
    316,224.90x = 436,386.83 × 172,983.24
  4. Step 4: Simplify right side
    316,224.90x = 75,487,606,881.81
  5. Step 5: Solve for x
    x = 75,487,606,881.81/316,224.90
  6. Step 6: Final answer
    x = 238,714.94

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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.