Home / 245,277.72-338,484.60-143,309.16

Finding the Fourth Proportional to 245,277.72, 338,484.60 and 143,309.16

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Solution

The fourth proportional to 245,277.72, 338,484.60 and 143,309.16 is: 197,767.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,277.72 : 338,484.60 = 143,309.16 : x
  2. Step 2: Convert to fraction form
    245,277.72/338,484.60 = 143,309.16/x
  3. Step 3: Cross multiply
    245,277.72x = 338,484.60 × 143,309.16
  4. Step 4: Simplify right side
    245,277.72x = 48,507,943,698.94
  5. Step 5: Solve for x
    x = 48,507,943,698.94/245,277.72
  6. Step 6: Final answer
    x = 197,767.43

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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.