Home / 212,923.10-319,384.65-181,260.20

Finding the Fourth Proportional to 212,923.10, 319,384.65 and 181,260.20

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Solution

The fourth proportional to 212,923.10, 319,384.65 and 181,260.20 is: 271,890.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,923.10 : 319,384.65 = 181,260.20 : x
  2. Step 2: Convert to fraction form
    212,923.10/319,384.65 = 181,260.20/x
  3. Step 3: Cross multiply
    212,923.10x = 319,384.65 × 181,260.20
  4. Step 4: Simplify right side
    212,923.10x = 57,891,725,535.93
  5. Step 5: Solve for x
    x = 57,891,725,535.93/212,923.10
  6. Step 6: Final answer
    x = 271,890.30

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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.