Home / 341,868.98-512,987.07-142,327.10

Finding the Fourth Proportional to 341,868.98, 512,987.07 and 142,327.10

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Solution

The fourth proportional to 341,868.98, 512,987.07 and 142,327.10 is: 213,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,868.98 : 512,987.07 = 142,327.10 : x
  2. Step 2: Convert to fraction form
    341,868.98/512,987.07 = 142,327.10/x
  3. Step 3: Cross multiply
    341,868.98x = 512,987.07 × 142,327.10
  4. Step 4: Simplify right side
    341,868.98x = 73,011,962,010.60
  5. Step 5: Solve for x
    x = 73,011,962,010.60/341,868.98
  6. Step 6: Final answer
    x = 213,567.09

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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.