Home / 357,726.06-493,456.40-223,356.78

Finding the Fourth Proportional to 357,726.06, 493,456.40 and 223,356.78

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Solution

The fourth proportional to 357,726.06, 493,456.40 and 223,356.78 is: 308,104.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,726.06 : 493,456.40 = 223,356.78 : x
  2. Step 2: Convert to fraction form
    357,726.06/493,456.40 = 223,356.78/x
  3. Step 3: Cross multiply
    357,726.06x = 493,456.40 × 223,356.78
  4. Step 4: Simplify right side
    357,726.06x = 110,216,831,457.61
  5. Step 5: Solve for x
    x = 110,216,831,457.61/357,726.06
  6. Step 6: Final answer
    x = 308,104.00

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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.