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Finding the Fourth Proportional to 264,922.80, 397,384.20 and 251,444.40

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Solution

The fourth proportional to 264,922.80, 397,384.20 and 251,444.40 is: 377,166.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,922.80 : 397,384.20 = 251,444.40 : x
  2. Step 2: Convert to fraction form
    264,922.80/397,384.20 = 251,444.40/x
  3. Step 3: Cross multiply
    264,922.80x = 397,384.20 × 251,444.40
  4. Step 4: Simplify right side
    264,922.80x = 99,920,031,738.48
  5. Step 5: Solve for x
    x = 99,920,031,738.48/264,922.80
  6. Step 6: Final answer
    x = 377,166.60

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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.