Home / 446,399.78-615,935.85-265,172.80

Finding the Fourth Proportional to 446,399.78, 615,935.85 and 265,172.80

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Solution

The fourth proportional to 446,399.78, 615,935.85 and 265,172.80 is: 365,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,399.78 : 615,935.85 = 265,172.80 : x
  2. Step 2: Convert to fraction form
    446,399.78/615,935.85 = 265,172.80/x
  3. Step 3: Cross multiply
    446,399.78x = 615,935.85 × 265,172.80
  4. Step 4: Simplify right side
    446,399.78x = 163,329,433,964.88
  5. Step 5: Solve for x
    x = 163,329,433,964.88/446,399.78
  6. Step 6: Final answer
    x = 365,881.53

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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.