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Finding the Fourth Proportional to 464,871.80, 697,404.90 and 149,360.60

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Solution

The fourth proportional to 464,871.80, 697,404.90 and 149,360.60 is: 224,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,871.80 : 697,404.90 = 149,360.60 : x
  2. Step 2: Convert to fraction form
    464,871.80/697,404.90 = 149,360.60/x
  3. Step 3: Cross multiply
    464,871.80x = 697,404.90 × 149,360.60
  4. Step 4: Simplify right side
    464,871.80x = 104,164,814,306.94
  5. Step 5: Solve for x
    x = 104,164,814,306.94/464,871.80
  6. Step 6: Final answer
    x = 224,072.13

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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.