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Finding the Fourth Proportional to 338,967.84, 508,259.05 and 262,003.60

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Solution

The fourth proportional to 338,967.84, 508,259.05 and 262,003.60 is: 392,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,967.84 : 508,259.05 = 262,003.60 : x
  2. Step 2: Convert to fraction form
    338,967.84/508,259.05 = 262,003.60/x
  3. Step 3: Cross multiply
    338,967.84x = 508,259.05 × 262,003.60
  4. Step 4: Simplify right side
    338,967.84x = 133,165,700,832.58
  5. Step 5: Solve for x
    x = 133,165,700,832.58/338,967.84
  6. Step 6: Final answer
    x = 392,856.45

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1.5x scale

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.