Home / 330,903.40-496,355.10-238,282.60

Finding the Fourth Proportional to 330,903.40, 496,355.10 and 238,282.60

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Solution

The fourth proportional to 330,903.40, 496,355.10 and 238,282.60 is: 357,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,903.40 : 496,355.10 = 238,282.60 : x
  2. Step 2: Convert to fraction form
    330,903.40/496,355.10 = 238,282.60/x
  3. Step 3: Cross multiply
    330,903.40x = 496,355.10 × 238,282.60
  4. Step 4: Simplify right side
    330,903.40x = 118,272,783,751.26
  5. Step 5: Solve for x
    x = 118,272,783,751.26/330,903.40
  6. Step 6: Final answer
    x = 357,423.90

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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.