Home / 211,215.02-314,938.49-187,743.02

Finding the Fourth Proportional to 211,215.02, 314,938.49 and 187,743.02

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Solution

The fourth proportional to 211,215.02, 314,938.49 and 187,743.02 is: 279,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,215.02 : 314,938.49 = 187,743.02 : x
  2. Step 2: Convert to fraction form
    211,215.02/314,938.49 = 187,743.02/x
  3. Step 3: Cross multiply
    211,215.02x = 314,938.49 × 187,743.02
  4. Step 4: Simplify right side
    211,215.02x = 59,127,500,713.43
  5. Step 5: Solve for x
    x = 59,127,500,713.43/211,215.02
  6. Step 6: Final answer
    x = 279,939.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.