Home / 405,513.22-559,592.40-242,197.42

Finding the Fourth Proportional to 405,513.22, 559,592.40 and 242,197.42

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Solution

The fourth proportional to 405,513.22, 559,592.40 and 242,197.42 is: 334,222.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,513.22 : 559,592.40 = 242,197.42 : x
  2. Step 2: Convert to fraction form
    405,513.22/559,592.40 = 242,197.42/x
  3. Step 3: Cross multiply
    405,513.22x = 559,592.40 × 242,197.42
  4. Step 4: Simplify right side
    405,513.22x = 135,531,835,531.61
  5. Step 5: Solve for x
    x = 135,531,835,531.61/405,513.22
  6. Step 6: Final answer
    x = 334,222.98

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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.