Home / 292,277.26-438,428.64-92,612.36

Finding the Fourth Proportional to 292,277.26, 438,428.64 and 92,612.36

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Solution

The fourth proportional to 292,277.26, 438,428.64 and 92,612.36 is: 138,922.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,277.26 : 438,428.64 = 92,612.36 : x
  2. Step 2: Convert to fraction form
    292,277.26/438,428.64 = 92,612.36/x
  3. Step 3: Cross multiply
    292,277.26x = 438,428.64 × 92,612.36
  4. Step 4: Simplify right side
    292,277.26x = 40,603,911,041.99
  5. Step 5: Solve for x
    x = 40,603,911,041.99/292,277.26
  6. Step 6: Final answer
    x = 138,922.58

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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.