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Finding the Fourth Proportional to 310,199.04, 428,078.52 and 174,262.68

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Solution

The fourth proportional to 310,199.04, 428,078.52 and 174,262.68 is: 240,484.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,199.04 : 428,078.52 = 174,262.68 : x
  2. Step 2: Convert to fraction form
    310,199.04/428,078.52 = 174,262.68/x
  3. Step 3: Cross multiply
    310,199.04x = 428,078.52 × 174,262.68
  4. Step 4: Simplify right side
    310,199.04x = 74,598,110,145.63
  5. Step 5: Solve for x
    x = 74,598,110,145.63/310,199.04
  6. Step 6: Final answer
    x = 240,484.66

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1.5x scale

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.