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Finding the Fourth Proportional to 430,606, 594,236.28 and 242,190

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Solution

The fourth proportional to 430,606, 594,236.28 and 242,190 is: 334,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,606 : 594,236.28 = 242,190 : x
  2. Step 2: Convert to fraction form
    430,606/594,236.28 = 242,190/x
  3. Step 3: Cross multiply
    430,606x = 594,236.28 × 242,190
  4. Step 4: Simplify right side
    430,606x = 143,918,084,653.20
  5. Step 5: Solve for x
    x = 143,918,084,653.20/430,606
  6. Step 6: Final answer
    x = 334,222.20

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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.