Home / 256,941.02-385,422.06-69,952.52

Finding the Fourth Proportional to 256,941.02, 385,422.06 and 69,952.52

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Solution

The fourth proportional to 256,941.02, 385,422.06 and 69,952.52 is: 104,931.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,941.02 : 385,422.06 = 69,952.52 : x
  2. Step 2: Convert to fraction form
    256,941.02/385,422.06 = 69,952.52/x
  3. Step 3: Cross multiply
    256,941.02x = 385,422.06 × 69,952.52
  4. Step 4: Simplify right side
    256,941.02x = 26,961,244,360.59
  5. Step 5: Solve for x
    x = 26,961,244,360.59/256,941.02
  6. Step 6: Final answer
    x = 104,931.65

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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.