Home / 464,916.80-697,472.40-149,405.60

Finding the Fourth Proportional to 464,916.80, 697,472.40 and 149,405.60

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Solution

The fourth proportional to 464,916.80, 697,472.40 and 149,405.60 is: 224,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,916.80 : 697,472.40 = 149,405.60 : x
  2. Step 2: Convert to fraction form
    464,916.80/697,472.40 = 149,405.60/x
  3. Step 3: Cross multiply
    464,916.80x = 697,472.40 × 149,405.60
  4. Step 4: Simplify right side
    464,916.80x = 104,206,282,405.44
  5. Step 5: Solve for x
    x = 104,206,282,405.44/464,916.80
  6. Step 6: Final answer
    x = 224,139.64

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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.