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Finding the Fourth Proportional to 313,452.63, 432,675 and 186,127.32

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Solution

The fourth proportional to 313,452.63, 432,675 and 186,127.32 is: 256,921.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,452.63 : 432,675 = 186,127.32 : x
  2. Step 2: Convert to fraction form
    313,452.63/432,675 = 186,127.32/x
  3. Step 3: Cross multiply
    313,452.63x = 432,675 × 186,127.32
  4. Step 4: Simplify right side
    313,452.63x = 80,532,638,181
  5. Step 5: Solve for x
    x = 80,532,638,181/313,452.63
  6. Step 6: Final answer
    x = 256,921.24

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1.5x scale

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.