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Finding the Fourth Proportional to 650,548.40, 975,992.70 and 251,202.20

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Solution

The fourth proportional to 650,548.40, 975,992.70 and 251,202.20 is: 376,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,548.40 : 975,992.70 = 251,202.20 : x
  2. Step 2: Convert to fraction form
    650,548.40/975,992.70 = 251,202.20/x
  3. Step 3: Cross multiply
    650,548.40x = 975,992.70 × 251,202.20
  4. Step 4: Simplify right side
    650,548.40x = 245,171,513,423.94
  5. Step 5: Solve for x
    x = 245,171,513,423.94/650,548.40
  6. Step 6: Final answer
    x = 376,868.98

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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.