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Finding the Fourth Proportional to 281,348.74, 388,155.27 and 184,606.00

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Solution

The fourth proportional to 281,348.74, 388,155.27 and 184,606.00 is: 254,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,348.74 : 388,155.27 = 184,606.00 : x
  2. Step 2: Convert to fraction form
    281,348.74/388,155.27 = 184,606.00/x
  3. Step 3: Cross multiply
    281,348.74x = 388,155.27 × 184,606.00
  4. Step 4: Simplify right side
    281,348.74x = 71,655,791,495.50
  5. Step 5: Solve for x
    x = 71,655,791,495.50/281,348.74
  6. Step 6: Final answer
    x = 254,686.73

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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.