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Finding the Fourth Proportional to 510,235.64, 765,351.93 and 243,933.88

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Solution

The fourth proportional to 510,235.64, 765,351.93 and 243,933.88 is: 365,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,235.64 : 765,351.93 = 243,933.88 : x
  2. Step 2: Convert to fraction form
    510,235.64/765,351.93 = 243,933.88/x
  3. Step 3: Cross multiply
    510,235.64x = 765,351.93 × 243,933.88
  4. Step 4: Simplify right side
    510,235.64x = 186,695,264,571.63
  5. Step 5: Solve for x
    x = 186,695,264,571.63/510,235.64
  6. Step 6: Final answer
    x = 365,900.08

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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.