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Finding the Fourth Proportional to 510,186.60, 765,292.50 and 243,975.24

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Solution

The fourth proportional to 510,186.60, 765,292.50 and 243,975.24 is: 365,968.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,186.60 : 765,292.50 = 243,975.24 : x
  2. Step 2: Convert to fraction form
    510,186.60/765,292.50 = 243,975.24/x
  3. Step 3: Cross multiply
    510,186.60x = 765,292.50 × 243,975.24
  4. Step 4: Simplify right side
    510,186.60x = 186,712,421,357.70
  5. Step 5: Solve for x
    x = 186,712,421,357.70/510,186.60
  6. Step 6: Final answer
    x = 365,968.89

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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.