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Finding the Fourth Proportional to 510,668.84, 766,055.70 and 195,390.92

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Solution

The fourth proportional to 510,668.84, 766,055.70 and 195,390.92 is: 293,106.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,668.84 : 766,055.70 = 195,390.92 : x
  2. Step 2: Convert to fraction form
    510,668.84/766,055.70 = 195,390.92/x
  3. Step 3: Cross multiply
    510,668.84x = 766,055.70 × 195,390.92
  4. Step 4: Simplify right side
    510,668.84x = 149,680,327,994.24
  5. Step 5: Solve for x
    x = 149,680,327,994.24/510,668.84
  6. Step 6: Final answer
    x = 293,106.44

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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.