Home / 668,136.02-1,001,993.01-218,753.60

Finding the Fourth Proportional to 668,136.02, 1,001,993.01 and 218,753.60

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Solution

The fourth proportional to 668,136.02, 1,001,993.01 and 218,753.60 is: 328,061.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,136.02 : 1,001,993.01 = 218,753.60 : x
  2. Step 2: Convert to fraction form
    668,136.02/1,001,993.01 = 218,753.60/x
  3. Step 3: Cross multiply
    668,136.02x = 1,001,993.01 × 218,753.60
  4. Step 4: Simplify right side
    668,136.02x = 219,189,573,102.37
  5. Step 5: Solve for x
    x = 219,189,573,102.37/668,136.02
  6. Step 6: Final answer
    x = 328,061.31

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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.