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Finding the Fourth Proportional to 339,889, 468,724.98 and 247,924.84

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Solution

The fourth proportional to 339,889, 468,724.98 and 247,924.84 is: 341,901.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,889 : 468,724.98 = 247,924.84 : x
  2. Step 2: Convert to fraction form
    339,889/468,724.98 = 247,924.84/x
  3. Step 3: Cross multiply
    339,889x = 468,724.98 × 247,924.84
  4. Step 4: Simplify right side
    339,889x = 116,208,565,670.50
  5. Step 5: Solve for x
    x = 116,208,565,670.50/339,889
  6. Step 6: Final answer
    x = 341,901.52

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1.5x scale

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.