Home / 300,785.25-415,083.65-179,931.63

Finding the Fourth Proportional to 300,785.25, 415,083.65 and 179,931.63

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Solution

The fourth proportional to 300,785.25, 415,083.65 and 179,931.63 is: 248,305.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,785.25 : 415,083.65 = 179,931.63 : x
  2. Step 2: Convert to fraction form
    300,785.25/415,083.65 = 179,931.63/x
  3. Step 3: Cross multiply
    300,785.25x = 415,083.65 × 179,931.63
  4. Step 4: Simplify right side
    300,785.25x = 74,686,676,831.19
  5. Step 5: Solve for x
    x = 74,686,676,831.19/300,785.25
  6. Step 6: Final answer
    x = 248,305.65

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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.