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Finding the Fourth Proportional to 345,308.16, 476,795.52 and 270,071.04

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Solution

The fourth proportional to 345,308.16, 476,795.52 and 270,071.04 is: 372,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,308.16 : 476,795.52 = 270,071.04 : x
  2. Step 2: Convert to fraction form
    345,308.16/476,795.52 = 270,071.04/x
  3. Step 3: Cross multiply
    345,308.16x = 476,795.52 × 270,071.04
  4. Step 4: Simplify right side
    345,308.16x = 128,768,661,953.74
  5. Step 5: Solve for x
    x = 128,768,661,953.74/345,308.16
  6. Step 6: Final answer
    x = 372,909.41

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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.