Home / 256,723.02-384,763.77-123,567.93

Finding the Fourth Proportional to 256,723.02, 384,763.77 and 123,567.93

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Solution

The fourth proportional to 256,723.02, 384,763.77 and 123,567.93 is: 185,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,723.02 : 384,763.77 = 123,567.93 : x
  2. Step 2: Convert to fraction form
    256,723.02/384,763.77 = 123,567.93/x
  3. Step 3: Cross multiply
    256,723.02x = 384,763.77 × 123,567.93
  4. Step 4: Simplify right side
    256,723.02x = 47,544,462,597.90
  5. Step 5: Solve for x
    x = 47,544,462,597.90/256,723.02
  6. Step 6: Final answer
    x = 185,197.50

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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.