Home / 291,726.93-402,658.07-190,005.87

Finding the Fourth Proportional to 291,726.93, 402,658.07 and 190,005.87

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Solution

The fourth proportional to 291,726.93, 402,658.07 and 190,005.87 is: 262,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,726.93 : 402,658.07 = 190,005.87 : x
  2. Step 2: Convert to fraction form
    291,726.93/402,658.07 = 190,005.87/x
  3. Step 3: Cross multiply
    291,726.93x = 402,658.07 × 190,005.87
  4. Step 4: Simplify right side
    291,726.93x = 76,507,396,902.87
  5. Step 5: Solve for x
    x = 76,507,396,902.87/291,726.93
  6. Step 6: Final answer
    x = 262,256.89

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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.