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Finding the Fourth Proportional to 359,126.39, 495,619.00 and 219,485.00

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Solution

The fourth proportional to 359,126.39, 495,619.00 and 219,485.00 is: 302,904.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,126.39 : 495,619.00 = 219,485.00 : x
  2. Step 2: Convert to fraction form
    359,126.39/495,619.00 = 219,485.00/x
  3. Step 3: Cross multiply
    359,126.39x = 495,619.00 × 219,485.00
  4. Step 4: Simplify right side
    359,126.39x = 108,780,936,905.34
  5. Step 5: Solve for x
    x = 108,780,936,905.34/359,126.39
  6. Step 6: Final answer
    x = 302,904.32

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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.