Home / 351,980.81-527,658.08-127,291.29

Finding the Fourth Proportional to 351,980.81, 527,658.08 and 127,291.29

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Solution

The fourth proportional to 351,980.81, 527,658.08 and 127,291.29 is: 190,823.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,980.81 : 527,658.08 = 127,291.29 : x
  2. Step 2: Convert to fraction form
    351,980.81/527,658.08 = 127,291.29/x
  3. Step 3: Cross multiply
    351,980.81x = 527,658.08 × 127,291.29
  4. Step 4: Simplify right side
    351,980.81x = 67,166,277,249.66
  5. Step 5: Solve for x
    x = 67,166,277,249.66/351,980.81
  6. Step 6: Final answer
    x = 190,823.69

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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.