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Finding the Fourth Proportional to 318,988.89, 440,204.43 and 175,748.94

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Solution

The fourth proportional to 318,988.89, 440,204.43 and 175,748.94 is: 242,533.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,988.89 : 440,204.43 = 175,748.94 : x
  2. Step 2: Convert to fraction form
    318,988.89/440,204.43 = 175,748.94/x
  3. Step 3: Cross multiply
    318,988.89x = 440,204.43 × 175,748.94
  4. Step 4: Simplify right side
    318,988.89x = 77,365,461,955.80
  5. Step 5: Solve for x
    x = 77,365,461,955.80/318,988.89
  6. Step 6: Final answer
    x = 242,533.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.