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Finding the Fourth Proportional to 334,877.12, 501,824.16 and 168,436.16

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Solution

The fourth proportional to 334,877.12, 501,824.16 and 168,436.16 is: 252,407.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,877.12 : 501,824.16 = 168,436.16 : x
  2. Step 2: Convert to fraction form
    334,877.12/501,824.16 = 168,436.16/x
  3. Step 3: Cross multiply
    334,877.12x = 501,824.16 × 168,436.16
  4. Step 4: Simplify right side
    334,877.12x = 84,525,334,505.63
  5. Step 5: Solve for x
    x = 84,525,334,505.63/334,877.12
  6. Step 6: Final answer
    x = 252,407.02

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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.