Home / 292,834.32-438,421.32-192,693.36

Finding the Fourth Proportional to 292,834.32, 438,421.32 and 192,693.36

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Solution

The fourth proportional to 292,834.32, 438,421.32 and 192,693.36 is: 288,493.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,834.32 : 438,421.32 = 192,693.36 : x
  2. Step 2: Convert to fraction form
    292,834.32/438,421.32 = 192,693.36/x
  3. Step 3: Cross multiply
    292,834.32x = 438,421.32 × 192,693.36
  4. Step 4: Simplify right side
    292,834.32x = 84,480,877,246.44
  5. Step 5: Solve for x
    x = 84,480,877,246.44/292,834.32
  6. Step 6: Final answer
    x = 288,493.77

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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.