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Finding the Fourth Proportional to 317,513.50, 476,270.26 and 95,897.50

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Solution

The fourth proportional to 317,513.50, 476,270.26 and 95,897.50 is: 143,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,513.50 : 476,270.26 = 95,897.50 : x
  2. Step 2: Convert to fraction form
    317,513.50/476,270.26 = 95,897.50/x
  3. Step 3: Cross multiply
    317,513.50x = 476,270.26 × 95,897.50
  4. Step 4: Simplify right side
    317,513.50x = 45,673,127,258.35
  5. Step 5: Solve for x
    x = 45,673,127,258.35/317,513.50
  6. Step 6: Final answer
    x = 143,846.25

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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.