Home / 401,926.31-554,643.95-227,492.78

Finding the Fourth Proportional to 401,926.31, 554,643.95 and 227,492.78

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Solution

The fourth proportional to 401,926.31, 554,643.95 and 227,492.78 is: 313,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,926.31 : 554,643.95 = 227,492.78 : x
  2. Step 2: Convert to fraction form
    401,926.31/554,643.95 = 227,492.78/x
  3. Step 3: Cross multiply
    401,926.31x = 554,643.95 × 227,492.78
  4. Step 4: Simplify right side
    401,926.31x = 126,177,490,185.00
  5. Step 5: Solve for x
    x = 126,177,490,185.00/401,926.31
  6. Step 6: Final answer
    x = 313,931.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.