Home / 292,317.18-438,447.03-198,152.25

Finding the Fourth Proportional to 292,317.18, 438,447.03 and 198,152.25

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Solution

The fourth proportional to 292,317.18, 438,447.03 and 198,152.25 is: 297,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,317.18 : 438,447.03 = 198,152.25 : x
  2. Step 2: Convert to fraction form
    292,317.18/438,447.03 = 198,152.25/x
  3. Step 3: Cross multiply
    292,317.18x = 438,447.03 × 198,152.25
  4. Step 4: Simplify right side
    292,317.18x = 86,879,265,500.32
  5. Step 5: Solve for x
    x = 86,879,265,500.32/292,317.18
  6. Step 6: Final answer
    x = 297,208.89

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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.