Home / 370,832.08-554,870.22-221,153.80

Finding the Fourth Proportional to 370,832.08, 554,870.22 and 221,153.80

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Solution

The fourth proportional to 370,832.08, 554,870.22 and 221,153.80 is: 330,908.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,832.08 : 554,870.22 = 221,153.80 : x
  2. Step 2: Convert to fraction form
    370,832.08/554,870.22 = 221,153.80/x
  3. Step 3: Cross multiply
    370,832.08x = 554,870.22 × 221,153.80
  4. Step 4: Simplify right side
    370,832.08x = 122,711,657,659.84
  5. Step 5: Solve for x
    x = 122,711,657,659.84/370,832.08
  6. Step 6: Final answer
    x = 330,908.96

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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.