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Finding the Fourth Proportional to 310,846.08, 428,966.92 and 174,880.12

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Solution

The fourth proportional to 310,846.08, 428,966.92 and 174,880.12 is: 241,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,846.08 : 428,966.92 = 174,880.12 : x
  2. Step 2: Convert to fraction form
    310,846.08/428,966.92 = 174,880.12/x
  3. Step 3: Cross multiply
    310,846.08x = 428,966.92 × 174,880.12
  4. Step 4: Simplify right side
    310,846.08x = 75,017,785,810.41
  5. Step 5: Solve for x
    x = 75,017,785,810.41/310,846.08
  6. Step 6: Final answer
    x = 241,334.19

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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.