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Finding the Fourth Proportional to 354,034, 488,587.08 and 266,662.48

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Solution

The fourth proportional to 354,034, 488,587.08 and 266,662.48 is: 368,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,034 : 488,587.08 = 266,662.48 : x
  2. Step 2: Convert to fraction form
    354,034/488,587.08 = 266,662.48/x
  3. Step 3: Cross multiply
    354,034x = 488,587.08 × 266,662.48
  4. Step 4: Simplify right side
    354,034x = 130,287,842,448.76
  5. Step 5: Solve for x
    x = 130,287,842,448.76/354,034
  6. Step 6: Final answer
    x = 368,009.41

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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.