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Finding the Fourth Proportional to 310,999.23, 429,220.18 and 175,059.57

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Solution

The fourth proportional to 310,999.23, 429,220.18 and 175,059.57 is: 241,605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,999.23 : 429,220.18 = 175,059.57 : x
  2. Step 2: Convert to fraction form
    310,999.23/429,220.18 = 175,059.57/x
  3. Step 3: Cross multiply
    310,999.23x = 429,220.18 × 175,059.57
  4. Step 4: Simplify right side
    310,999.23x = 75,139,100,146.12
  5. Step 5: Solve for x
    x = 75,139,100,146.12/310,999.23
  6. Step 6: Final answer
    x = 241,605.42

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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.