Home / 251,242.61-346,703.40-155,758.19

Finding the Fourth Proportional to 251,242.61, 346,703.40 and 155,758.19

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Solution

The fourth proportional to 251,242.61, 346,703.40 and 155,758.19 is: 214,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,242.61 : 346,703.40 = 155,758.19 : x
  2. Step 2: Convert to fraction form
    251,242.61/346,703.40 = 155,758.19/x
  3. Step 3: Cross multiply
    251,242.61x = 346,703.40 × 155,758.19
  4. Step 4: Simplify right side
    251,242.61x = 54,001,892,317.33
  5. Step 5: Solve for x
    x = 54,001,892,317.33/251,242.61
  6. Step 6: Final answer
    x = 214,939.23

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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.