Home / 495,379.15-742,834.47-191,915.44

Finding the Fourth Proportional to 495,379.15, 742,834.47 and 191,915.44

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Solution

The fourth proportional to 495,379.15, 742,834.47 and 191,915.44 is: 287,782.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,379.15 : 742,834.47 = 191,915.44 : x
  2. Step 2: Convert to fraction form
    495,379.15/742,834.47 = 191,915.44/x
  3. Step 3: Cross multiply
    495,379.15x = 742,834.47 × 191,915.44
  4. Step 4: Simplify right side
    495,379.15x = 142,561,404,157.22
  5. Step 5: Solve for x
    x = 142,561,404,157.22/495,379.15
  6. Step 6: Final answer
    x = 287,782.41

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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.