Home / 245,332.02-338,508.48-143,337.78

Finding the Fourth Proportional to 245,332.02, 338,508.48 and 143,337.78

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Solution

The fourth proportional to 245,332.02, 338,508.48 and 143,337.78 is: 197,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,332.02 : 338,508.48 = 143,337.78 : x
  2. Step 2: Convert to fraction form
    245,332.02/338,508.48 = 143,337.78/x
  3. Step 3: Cross multiply
    245,332.02x = 338,508.48 × 143,337.78
  4. Step 4: Simplify right side
    245,332.02x = 48,521,054,034.37
  5. Step 5: Solve for x
    x = 48,521,054,034.37/245,332.02
  6. Step 6: Final answer
    x = 197,777.09

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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.