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Finding the Fourth Proportional to 602,112.09, 902,943.09 and 242,161.45

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Solution

The fourth proportional to 602,112.09, 902,943.09 and 242,161.45 is: 363,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,112.09 : 902,943.09 = 242,161.45 : x
  2. Step 2: Convert to fraction form
    602,112.09/902,943.09 = 242,161.45/x
  3. Step 3: Cross multiply
    602,112.09x = 902,943.09 × 242,161.45
  4. Step 4: Simplify right side
    602,112.09x = 218,658,007,941.88
  5. Step 5: Solve for x
    x = 218,658,007,941.88/602,112.09
  6. Step 6: Final answer
    x = 363,151.66

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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.