Home / 317,822.40-476,296.20-210,902.40

Finding the Fourth Proportional to 317,822.40, 476,296.20 and 210,902.40

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Solution

The fourth proportional to 317,822.40, 476,296.20 and 210,902.40 is: 316,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,822.40 : 476,296.20 = 210,902.40 : x
  2. Step 2: Convert to fraction form
    317,822.40/476,296.20 = 210,902.40/x
  3. Step 3: Cross multiply
    317,822.40x = 476,296.20 × 210,902.40
  4. Step 4: Simplify right side
    317,822.40x = 100,452,011,690.88
  5. Step 5: Solve for x
    x = 100,452,011,690.88/317,822.40
  6. Step 6: Final answer
    x = 316,063.35

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1.5x scale

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.