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Finding the Fourth Proportional to 435,970.78, 601,642.88 and 239,740.71

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Solution

The fourth proportional to 435,970.78, 601,642.88 and 239,740.71 is: 330,843.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,970.78 : 601,642.88 = 239,740.71 : x
  2. Step 2: Convert to fraction form
    435,970.78/601,642.88 = 239,740.71/x
  3. Step 3: Cross multiply
    435,970.78x = 601,642.88 × 239,740.71
  4. Step 4: Simplify right side
    435,970.78x = 144,238,291,217.65
  5. Step 5: Solve for x
    x = 144,238,291,217.65/435,970.78
  6. Step 6: Final answer
    x = 330,843.94

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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.