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Finding the Fourth Proportional to 310,506.08, 428,543.76 and 174,551.22

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Solution

The fourth proportional to 310,506.08, 428,543.76 and 174,551.22 is: 240,906.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,506.08 : 428,543.76 = 174,551.22 : x
  2. Step 2: Convert to fraction form
    310,506.08/428,543.76 = 174,551.22/x
  3. Step 3: Cross multiply
    310,506.08x = 428,543.76 × 174,551.22
  4. Step 4: Simplify right side
    310,506.08x = 74,802,836,131.39
  5. Step 5: Solve for x
    x = 74,802,836,131.39/310,506.08
  6. Step 6: Final answer
    x = 240,906.19

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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.