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Finding the Fourth Proportional to 314,146.08, 471,370.32 and 156,388.32

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Solution

The fourth proportional to 314,146.08, 471,370.32 and 156,388.32 is: 234,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,146.08 : 471,370.32 = 156,388.32 : x
  2. Step 2: Convert to fraction form
    314,146.08/471,370.32 = 156,388.32/x
  3. Step 3: Cross multiply
    314,146.08x = 471,370.32 × 156,388.32
  4. Step 4: Simplify right side
    314,146.08x = 73,716,812,442.66
  5. Step 5: Solve for x
    x = 73,716,812,442.66/314,146.08
  6. Step 6: Final answer
    x = 234,657.75

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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.