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Finding the Fourth Proportional to 339,265.20, 508,897.80 and 171,303.60

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Solution

The fourth proportional to 339,265.20, 508,897.80 and 171,303.60 is: 256,955.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,265.20 : 508,897.80 = 171,303.60 : x
  2. Step 2: Convert to fraction form
    339,265.20/508,897.80 = 171,303.60/x
  3. Step 3: Cross multiply
    339,265.20x = 508,897.80 × 171,303.60
  4. Step 4: Simplify right side
    339,265.20x = 87,176,025,172.08
  5. Step 5: Solve for x
    x = 87,176,025,172.08/339,265.20
  6. Step 6: Final answer
    x = 256,955.40

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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.