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Finding the Fourth Proportional to 299,204.88, 448,806.10 and 121,710.40

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Solution

The fourth proportional to 299,204.88, 448,806.10 and 121,710.40 is: 182,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,204.88 : 448,806.10 = 121,710.40 : x
  2. Step 2: Convert to fraction form
    299,204.88/448,806.10 = 121,710.40/x
  3. Step 3: Cross multiply
    299,204.88x = 448,806.10 × 121,710.40
  4. Step 4: Simplify right side
    299,204.88x = 54,624,369,953.44
  5. Step 5: Solve for x
    x = 54,624,369,953.44/299,204.88
  6. Step 6: Final answer
    x = 182,565.10

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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.