Home / 215,038.02-322,727.67-115,271.94

Finding the Fourth Proportional to 215,038.02, 322,727.67 and 115,271.94

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Solution

The fourth proportional to 215,038.02, 322,727.67 and 115,271.94 is: 172,999.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,038.02 : 322,727.67 = 115,271.94 : x
  2. Step 2: Convert to fraction form
    215,038.02/322,727.67 = 115,271.94/x
  3. Step 3: Cross multiply
    215,038.02x = 322,727.67 × 115,271.94
  4. Step 4: Simplify right side
    215,038.02x = 37,201,444,612.58
  5. Step 5: Solve for x
    x = 37,201,444,612.58/215,038.02
  6. Step 6: Final answer
    x = 172,999.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.