Home / 267,389.19-401,079.87-64,986.80

Finding the Fourth Proportional to 267,389.19, 401,079.87 and 64,986.80

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Solution

The fourth proportional to 267,389.19, 401,079.87 and 64,986.80 is: 97,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,389.19 : 401,079.87 = 64,986.80 : x
  2. Step 2: Convert to fraction form
    267,389.19/401,079.87 = 64,986.80/x
  3. Step 3: Cross multiply
    267,389.19x = 401,079.87 × 64,986.80
  4. Step 4: Simplify right side
    267,389.19x = 26,064,895,290.32
  5. Step 5: Solve for x
    x = 26,064,895,290.32/267,389.19
  6. Step 6: Final answer
    x = 97,479.24

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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.