Home / 210,898.85-291,040.35-115,405.52

Finding the Fourth Proportional to 210,898.85, 291,040.35 and 115,405.52

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Solution

The fourth proportional to 210,898.85, 291,040.35 and 115,405.52 is: 159,259.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,898.85 : 291,040.35 = 115,405.52 : x
  2. Step 2: Convert to fraction form
    210,898.85/291,040.35 = 115,405.52/x
  3. Step 3: Cross multiply
    210,898.85x = 291,040.35 × 115,405.52
  4. Step 4: Simplify right side
    210,898.85x = 33,587,661,477.53
  5. Step 5: Solve for x
    x = 33,587,661,477.53/210,898.85
  6. Step 6: Final answer
    x = 159,259.58

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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.