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Finding the Fourth Proportional to 370,898.89, 555,483.10 and 270,810.83

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Solution

The fourth proportional to 370,898.89, 555,483.10 and 270,810.83 is: 405,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,898.89 : 555,483.10 = 270,810.83 : x
  2. Step 2: Convert to fraction form
    370,898.89/555,483.10 = 270,810.83/x
  3. Step 3: Cross multiply
    370,898.89x = 555,483.10 × 270,810.83
  4. Step 4: Simplify right side
    370,898.89x = 150,430,839,361.97
  5. Step 5: Solve for x
    x = 150,430,839,361.97/370,898.89
  6. Step 6: Final answer
    x = 405,584.50

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1.5x scale

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.