Home / 251,035.80-376,553.70-223,479.60

Finding the Fourth Proportional to 251,035.80, 376,553.70 and 223,479.60

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Solution

The fourth proportional to 251,035.80, 376,553.70 and 223,479.60 is: 335,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,035.80 : 376,553.70 = 223,479.60 : x
  2. Step 2: Convert to fraction form
    251,035.80/376,553.70 = 223,479.60/x
  3. Step 3: Cross multiply
    251,035.80x = 376,553.70 × 223,479.60
  4. Step 4: Simplify right side
    251,035.80x = 84,152,070,254.52
  5. Step 5: Solve for x
    x = 84,152,070,254.52/251,035.80
  6. Step 6: Final answer
    x = 335,219.40

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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.