Home / 311,235.40-466,853.10-297,584.20

Finding the Fourth Proportional to 311,235.40, 466,853.10 and 297,584.20

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Solution

The fourth proportional to 311,235.40, 466,853.10 and 297,584.20 is: 446,376.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,235.40 : 466,853.10 = 297,584.20 : x
  2. Step 2: Convert to fraction form
    311,235.40/466,853.10 = 297,584.20/x
  3. Step 3: Cross multiply
    311,235.40x = 466,853.10 × 297,584.20
  4. Step 4: Simplify right side
    311,235.40x = 138,928,106,281.02
  5. Step 5: Solve for x
    x = 138,928,106,281.02/311,235.40
  6. Step 6: Final answer
    x = 446,376.30

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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.