Home / 446,307.12-615,903.72-245,103.12

Finding the Fourth Proportional to 446,307.12, 615,903.72 and 245,103.12

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Solution

The fourth proportional to 446,307.12, 615,903.72 and 245,103.12 is: 338,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,307.12 : 615,903.72 = 245,103.12 : x
  2. Step 2: Convert to fraction form
    446,307.12/615,903.72 = 245,103.12/x
  3. Step 3: Cross multiply
    446,307.12x = 615,903.72 × 245,103.12
  4. Step 4: Simplify right side
    446,307.12x = 150,959,923,391.61
  5. Step 5: Solve for x
    x = 150,959,923,391.61/446,307.12
  6. Step 6: Final answer
    x = 338,242.25

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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.