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Finding the Fourth Proportional to 293,735.68, 438,156.80 and 265,388.80

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Solution

The fourth proportional to 293,735.68, 438,156.80 and 265,388.80 is: 395,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,735.68 : 438,156.80 = 265,388.80 : x
  2. Step 2: Convert to fraction form
    293,735.68/438,156.80 = 265,388.80/x
  3. Step 3: Cross multiply
    293,735.68x = 438,156.80 × 265,388.80
  4. Step 4: Simplify right side
    293,735.68x = 116,281,907,363.84
  5. Step 5: Solve for x
    x = 116,281,907,363.84/293,735.68
  6. Step 6: Final answer
    x = 395,872.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.