Home / 560,030.20-839,969.70-223,318.60

Finding the Fourth Proportional to 560,030.20, 839,969.70 and 223,318.60

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Solution

The fourth proportional to 560,030.20, 839,969.70 and 223,318.60 is: 334,947.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,030.20 : 839,969.70 = 223,318.60 : x
  2. Step 2: Convert to fraction form
    560,030.20/839,969.70 = 223,318.60/x
  3. Step 3: Cross multiply
    560,030.20x = 839,969.70 × 223,318.60
  4. Step 4: Simplify right side
    560,030.20x = 187,580,857,446.42
  5. Step 5: Solve for x
    x = 187,580,857,446.42/560,030.20
  6. Step 6: Final answer
    x = 334,947.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.