Home / 438,977.48-658,467.63-119,131.16

Finding the Fourth Proportional to 438,977.48, 658,467.63 and 119,131.16

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Solution

The fourth proportional to 438,977.48, 658,467.63 and 119,131.16 is: 178,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,977.48 : 658,467.63 = 119,131.16 : x
  2. Step 2: Convert to fraction form
    438,977.48/658,467.63 = 119,131.16/x
  3. Step 3: Cross multiply
    438,977.48x = 658,467.63 × 119,131.16
  4. Step 4: Simplify right side
    438,977.48x = 78,444,009,292.01
  5. Step 5: Solve for x
    x = 78,444,009,292.01/438,977.48
  6. Step 6: Final answer
    x = 178,697.12

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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.