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Finding the Fourth Proportional to 650,492.40, 975,908.70 and 251,146.20

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Solution

The fourth proportional to 650,492.40, 975,908.70 and 251,146.20 is: 376,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,492.40 : 975,908.70 = 251,146.20 : x
  2. Step 2: Convert to fraction form
    650,492.40/975,908.70 = 251,146.20/x
  3. Step 3: Cross multiply
    650,492.40x = 975,908.70 × 251,146.20
  4. Step 4: Simplify right side
    650,492.40x = 245,095,761,551.94
  5. Step 5: Solve for x
    x = 245,095,761,551.94/650,492.40
  6. Step 6: Final answer
    x = 376,784.97

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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.