Home / 291,739.02-402,050.22-211,029.66

Finding the Fourth Proportional to 291,739.02, 402,050.22 and 211,029.66

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Solution

The fourth proportional to 291,739.02, 402,050.22 and 211,029.66 is: 290,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,739.02 : 402,050.22 = 211,029.66 : x
  2. Step 2: Convert to fraction form
    291,739.02/402,050.22 = 211,029.66/x
  3. Step 3: Cross multiply
    291,739.02x = 402,050.22 × 211,029.66
  4. Step 4: Simplify right side
    291,739.02x = 84,844,521,229.53
  5. Step 5: Solve for x
    x = 84,844,521,229.53/291,739.02
  6. Step 6: Final answer
    x = 290,823.36

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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.