Home / 317,924.20-476,195.10-193,047.40

Finding the Fourth Proportional to 317,924.20, 476,195.10 and 193,047.40

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Solution

The fourth proportional to 317,924.20, 476,195.10 and 193,047.40 is: 289,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,924.20 : 476,195.10 = 193,047.40 : x
  2. Step 2: Convert to fraction form
    317,924.20/476,195.10 = 193,047.40/x
  3. Step 3: Cross multiply
    317,924.20x = 476,195.10 × 193,047.40
  4. Step 4: Simplify right side
    317,924.20x = 91,928,225,947.74
  5. Step 5: Solve for x
    x = 91,928,225,947.74/317,924.20
  6. Step 6: Final answer
    x = 289,151.40

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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.