Home / 310,939.07-429,090.89-174,972.94

Finding the Fourth Proportional to 310,939.07, 429,090.89 and 174,972.94

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Solution

The fourth proportional to 310,939.07, 429,090.89 and 174,972.94 is: 241,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,939.07 : 429,090.89 = 174,972.94 : x
  2. Step 2: Convert to fraction form
    310,939.07/429,090.89 = 174,972.94/x
  3. Step 3: Cross multiply
    310,939.07x = 429,090.89 × 174,972.94
  4. Step 4: Simplify right side
    310,939.07x = 75,079,293,259.07
  5. Step 5: Solve for x
    x = 75,079,293,259.07/310,939.07
  6. Step 6: Final answer
    x = 241,459.83

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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.