Home / 288,185.64-431,392.70-245,670.36

Finding the Fourth Proportional to 288,185.64, 431,392.70 and 245,670.36

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Solution

The fourth proportional to 288,185.64, 431,392.70 and 245,670.36 is: 367,750.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,185.64 : 431,392.70 = 245,670.36 : x
  2. Step 2: Convert to fraction form
    288,185.64/431,392.70 = 245,670.36/x
  3. Step 3: Cross multiply
    288,185.64x = 431,392.70 × 245,670.36
  4. Step 4: Simplify right side
    288,185.64x = 105,980,399,910.37
  5. Step 5: Solve for x
    x = 105,980,399,910.37/288,185.64
  6. Step 6: Final answer
    x = 367,750.45

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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.