Home / 369,975.60-554,720.40-145,200.60

Finding the Fourth Proportional to 369,975.60, 554,720.40 and 145,200.60

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Solution

The fourth proportional to 369,975.60, 554,720.40 and 145,200.60 is: 217,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,975.60 : 554,720.40 = 145,200.60 : x
  2. Step 2: Convert to fraction form
    369,975.60/554,720.40 = 145,200.60/x
  3. Step 3: Cross multiply
    369,975.60x = 554,720.40 × 145,200.60
  4. Step 4: Simplify right side
    369,975.60x = 80,545,734,912.24
  5. Step 5: Solve for x
    x = 80,545,734,912.24/369,975.60
  6. Step 6: Final answer
    x = 217,705.53

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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.