Home / 370,481.64-555,746.94-145,824.36

Finding the Fourth Proportional to 370,481.64, 555,746.94 and 145,824.36

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Solution

The fourth proportional to 370,481.64, 555,746.94 and 145,824.36 is: 218,746.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,481.64 : 555,746.94 = 145,824.36 : x
  2. Step 2: Convert to fraction form
    370,481.64/555,746.94 = 145,824.36/x
  3. Step 3: Cross multiply
    370,481.64x = 555,746.94 × 145,824.36
  4. Step 4: Simplify right side
    370,481.64x = 81,041,441,847.46
  5. Step 5: Solve for x
    x = 81,041,441,847.46/370,481.64
  6. Step 6: Final answer
    x = 218,746.18

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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.