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Finding the Fourth Proportional to 340,303.31, 509,563.16 and 239,920.01

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Solution

The fourth proportional to 340,303.31, 509,563.16 and 239,920.01 is: 359,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,303.31 : 509,563.16 = 239,920.01 : x
  2. Step 2: Convert to fraction form
    340,303.31/509,563.16 = 239,920.01/x
  3. Step 3: Cross multiply
    340,303.31x = 509,563.16 × 239,920.01
  4. Step 4: Simplify right side
    340,303.31x = 122,254,397,243.23
  5. Step 5: Solve for x
    x = 122,254,397,243.23/340,303.31
  6. Step 6: Final answer
    x = 359,251.27

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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.