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Finding the Fourth Proportional to 358,787.58, 495,124.47 and 197,638.98

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Solution

The fourth proportional to 358,787.58, 495,124.47 and 197,638.98 is: 272,740.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,787.58 : 495,124.47 = 197,638.98 : x
  2. Step 2: Convert to fraction form
    358,787.58/495,124.47 = 197,638.98/x
  3. Step 3: Cross multiply
    358,787.58x = 495,124.47 × 197,638.98
  4. Step 4: Simplify right side
    358,787.58x = 97,855,895,223.84
  5. Step 5: Solve for x
    x = 97,855,895,223.84/358,787.58
  6. Step 6: Final answer
    x = 272,740.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.