Home / 260,318.64-390,136.68-148,050.48

Finding the Fourth Proportional to 260,318.64, 390,136.68 and 148,050.48

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Solution

The fourth proportional to 260,318.64, 390,136.68 and 148,050.48 is: 221,881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,318.64 : 390,136.68 = 148,050.48 : x
  2. Step 2: Convert to fraction form
    260,318.64/390,136.68 = 148,050.48/x
  3. Step 3: Cross multiply
    260,318.64x = 390,136.68 × 148,050.48
  4. Step 4: Simplify right side
    260,318.64x = 57,759,922,739.61
  5. Step 5: Solve for x
    x = 57,759,922,739.61/260,318.64
  6. Step 6: Final answer
    x = 221,881.62

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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.