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Finding the Fourth Proportional to 270,710.80, 404,914.20 and 242,832.40

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Solution

The fourth proportional to 270,710.80, 404,914.20 and 242,832.40 is: 363,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,710.80 : 404,914.20 = 242,832.40 : x
  2. Step 2: Convert to fraction form
    270,710.80/404,914.20 = 242,832.40/x
  3. Step 3: Cross multiply
    270,710.80x = 404,914.20 × 242,832.40
  4. Step 4: Simplify right side
    270,710.80x = 98,326,286,980.08
  5. Step 5: Solve for x
    x = 98,326,286,980.08/270,710.80
  6. Step 6: Final answer
    x = 363,215.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.