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Finding the Fourth Proportional to 336,673.68, 505,088.28 and 100,011.12

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Solution

The fourth proportional to 336,673.68, 505,088.28 and 100,011.12 is: 150,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,673.68 : 505,088.28 = 100,011.12 : x
  2. Step 2: Convert to fraction form
    336,673.68/505,088.28 = 100,011.12/x
  3. Step 3: Cross multiply
    336,673.68x = 505,088.28 × 100,011.12
  4. Step 4: Simplify right side
    336,673.68x = 50,514,444,581.67
  5. Step 5: Solve for x
    x = 50,514,444,581.67/336,673.68
  6. Step 6: Final answer
    x = 150,039.78

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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.