Home / 361,756.20-542,828.70-151,415.40

Finding the Fourth Proportional to 361,756.20, 542,828.70 and 151,415.40

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Solution

The fourth proportional to 361,756.20, 542,828.70 and 151,415.40 is: 227,204.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,756.20 : 542,828.70 = 151,415.40 : x
  2. Step 2: Convert to fraction form
    361,756.20/542,828.70 = 151,415.40/x
  3. Step 3: Cross multiply
    361,756.20x = 542,828.70 × 151,415.40
  4. Step 4: Simplify right side
    361,756.20x = 82,192,624,741.98
  5. Step 5: Solve for x
    x = 82,192,624,741.98/361,756.20
  6. Step 6: Final answer
    x = 227,204.47

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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.