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Finding the Fourth Proportional to 310,880.06, 428,983.89 and 174,911.03

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Solution

The fourth proportional to 310,880.06, 428,983.89 and 174,911.03 is: 241,360.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,880.06 : 428,983.89 = 174,911.03 : x
  2. Step 2: Convert to fraction form
    310,880.06/428,983.89 = 174,911.03/x
  3. Step 3: Cross multiply
    310,880.06x = 428,983.89 × 174,911.03
  4. Step 4: Simplify right side
    310,880.06x = 75,034,011,908.39
  5. Step 5: Solve for x
    x = 75,034,011,908.39/310,880.06
  6. Step 6: Final answer
    x = 241,360.01

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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.