Home / 310,717.12-465,752.64-210,885.44

Finding the Fourth Proportional to 310,717.12, 465,752.64 and 210,885.44

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Solution

The fourth proportional to 310,717.12, 465,752.64 and 210,885.44 is: 316,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,717.12 : 465,752.64 = 210,885.44 : x
  2. Step 2: Convert to fraction form
    310,717.12/465,752.64 = 210,885.44/x
  3. Step 3: Cross multiply
    310,717.12x = 465,752.64 × 210,885.44
  4. Step 4: Simplify right side
    310,717.12x = 98,220,450,417.56
  5. Step 5: Solve for x
    x = 98,220,450,417.56/310,717.12
  6. Step 6: Final answer
    x = 316,108.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.