Home / 256,611.02-384,932.28-98,839.94

Finding the Fourth Proportional to 256,611.02, 384,932.28 and 98,839.94

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Solution

The fourth proportional to 256,611.02, 384,932.28 and 98,839.94 is: 148,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,611.02 : 384,932.28 = 98,839.94 : x
  2. Step 2: Convert to fraction form
    256,611.02/384,932.28 = 98,839.94/x
  3. Step 3: Cross multiply
    256,611.02x = 384,932.28 × 98,839.94
  4. Step 4: Simplify right side
    256,611.02x = 38,046,683,459.26
  5. Step 5: Solve for x
    x = 38,046,683,459.26/256,611.02
  6. Step 6: Final answer
    x = 148,265.98

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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.