Home / 366,948.35-550,477.20-130,271.21

Finding the Fourth Proportional to 366,948.35, 550,477.20 and 130,271.21

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Solution

The fourth proportional to 366,948.35, 550,477.20 and 130,271.21 is: 195,426.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,948.35 : 550,477.20 = 130,271.21 : x
  2. Step 2: Convert to fraction form
    366,948.35/550,477.20 = 130,271.21/x
  3. Step 3: Cross multiply
    366,948.35x = 550,477.20 × 130,271.21
  4. Step 4: Simplify right side
    366,948.35x = 71,711,330,921.41
  5. Step 5: Solve for x
    x = 71,711,330,921.41/366,948.35
  6. Step 6: Final answer
    x = 195,426.23

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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.