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Finding the Fourth Proportional to 314,901.02, 472,352.04 and 95,812.82

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Solution

The fourth proportional to 314,901.02, 472,352.04 and 95,812.82 is: 143,719.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,901.02 : 472,352.04 = 95,812.82 : x
  2. Step 2: Convert to fraction form
    314,901.02/472,352.04 = 95,812.82/x
  3. Step 3: Cross multiply
    314,901.02x = 472,352.04 × 95,812.82
  4. Step 4: Simplify right side
    314,901.02x = 45,257,380,985.15
  5. Step 5: Solve for x
    x = 45,257,380,985.15/314,901.02
  6. Step 6: Final answer
    x = 143,719.39

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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.