Home / 253,052.22-348,985.84-209,963.46

Finding the Fourth Proportional to 253,052.22, 348,985.84 and 209,963.46

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Solution

The fourth proportional to 253,052.22, 348,985.84 and 209,963.46 is: 289,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,052.22 : 348,985.84 = 209,963.46 : x
  2. Step 2: Convert to fraction form
    253,052.22/348,985.84 = 209,963.46/x
  3. Step 3: Cross multiply
    253,052.22x = 348,985.84 × 209,963.46
  4. Step 4: Simplify right side
    253,052.22x = 73,274,274,457.41
  5. Step 5: Solve for x
    x = 73,274,274,457.41/253,052.22
  6. Step 6: Final answer
    x = 289,561.87

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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.