Home / 495,380.15-742,835.97-191,916.44

Finding the Fourth Proportional to 495,380.15, 742,835.97 and 191,916.44

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Solution

The fourth proportional to 495,380.15, 742,835.97 and 191,916.44 is: 287,783.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,380.15 : 742,835.97 = 191,916.44 : x
  2. Step 2: Convert to fraction form
    495,380.15/742,835.97 = 191,916.44/x
  3. Step 3: Cross multiply
    495,380.15x = 742,835.97 × 191,916.44
  4. Step 4: Simplify right side
    495,380.15x = 142,562,434,866.35
  5. Step 5: Solve for x
    x = 142,562,434,866.35/495,380.15
  6. Step 6: Final answer
    x = 287,783.91

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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.