Home / 405,054.02-558,972.79-223,765.94

Finding the Fourth Proportional to 405,054.02, 558,972.79 and 223,765.94

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Solution

The fourth proportional to 405,054.02, 558,972.79 and 223,765.94 is: 308,796.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,054.02 : 558,972.79 = 223,765.94 : x
  2. Step 2: Convert to fraction form
    405,054.02/558,972.79 = 223,765.94/x
  3. Step 3: Cross multiply
    405,054.02x = 558,972.79 × 223,765.94
  4. Step 4: Simplify right side
    405,054.02x = 125,079,068,434.49
  5. Step 5: Solve for x
    x = 125,079,068,434.49/405,054.02
  6. Step 6: Final answer
    x = 308,796.02

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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.