Home / 211,248.10-316,872.15-202,147.30

Finding the Fourth Proportional to 211,248.10, 316,872.15 and 202,147.30

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Solution

The fourth proportional to 211,248.10, 316,872.15 and 202,147.30 is: 303,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,248.10 : 316,872.15 = 202,147.30 : x
  2. Step 2: Convert to fraction form
    211,248.10/316,872.15 = 202,147.30/x
  3. Step 3: Cross multiply
    211,248.10x = 316,872.15 × 202,147.30
  4. Step 4: Simplify right side
    211,248.10x = 64,054,849,567.70
  5. Step 5: Solve for x
    x = 64,054,849,567.70/211,248.10
  6. Step 6: Final answer
    x = 303,220.95

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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.