Home / 397,989.40-596,984.10-240,136.60

Finding the Fourth Proportional to 397,989.40, 596,984.10 and 240,136.60

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Solution

The fourth proportional to 397,989.40, 596,984.10 and 240,136.60 is: 360,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,989.40 : 596,984.10 = 240,136.60 : x
  2. Step 2: Convert to fraction form
    397,989.40/596,984.10 = 240,136.60/x
  3. Step 3: Cross multiply
    397,989.40x = 596,984.10 × 240,136.60
  4. Step 4: Simplify right side
    397,989.40x = 143,357,732,028.06
  5. Step 5: Solve for x
    x = 143,357,732,028.06/397,989.40
  6. Step 6: Final answer
    x = 360,204.90

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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.