Home / 256,669.02-384,682.77-123,513.53

Finding the Fourth Proportional to 256,669.02, 384,682.77 and 123,513.53

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Solution

The fourth proportional to 256,669.02, 384,682.77 and 123,513.53 is: 185,115.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,669.02 : 384,682.77 = 123,513.53 : x
  2. Step 2: Convert to fraction form
    256,669.02/384,682.77 = 123,513.53/x
  3. Step 3: Cross multiply
    256,669.02x = 384,682.77 × 123,513.53
  4. Step 4: Simplify right side
    256,669.02x = 47,513,524,929.46
  5. Step 5: Solve for x
    x = 47,513,524,929.46/256,669.02
  6. Step 6: Final answer
    x = 185,115.93

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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.