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Finding the Fourth Proportional to 446,404.68, 615,616.74 and 293,172.84

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Solution

The fourth proportional to 446,404.68, 615,616.74 and 293,172.84 is: 404,301.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,404.68 : 615,616.74 = 293,172.84 : x
  2. Step 2: Convert to fraction form
    446,404.68/615,616.74 = 293,172.84/x
  3. Step 3: Cross multiply
    446,404.68x = 615,616.74 × 293,172.84
  4. Step 4: Simplify right side
    446,404.68x = 180,482,108,017.34
  5. Step 5: Solve for x
    x = 180,482,108,017.34/446,404.68
  6. Step 6: Final answer
    x = 404,301.56

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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.