Home / 284,655.11-426,968.08-84,977.15

Finding the Fourth Proportional to 284,655.11, 426,968.08 and 84,977.15

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Solution

The fourth proportional to 284,655.11, 426,968.08 and 84,977.15 is: 127,461.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,655.11 : 426,968.08 = 84,977.15 : x
  2. Step 2: Convert to fraction form
    284,655.11/426,968.08 = 84,977.15/x
  3. Step 3: Cross multiply
    284,655.11x = 426,968.08 × 84,977.15
  4. Step 4: Simplify right side
    284,655.11x = 36,282,528,232.09
  5. Step 5: Solve for x
    x = 36,282,528,232.09/284,655.11
  6. Step 6: Final answer
    x = 127,461.36

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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.