Home / 535,243.12-802,865.04-135,913.84

Finding the Fourth Proportional to 535,243.12, 802,865.04 and 135,913.84

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Solution

The fourth proportional to 535,243.12, 802,865.04 and 135,913.84 is: 203,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,243.12 : 802,865.04 = 135,913.84 : x
  2. Step 2: Convert to fraction form
    535,243.12/802,865.04 = 135,913.84/x
  3. Step 3: Cross multiply
    535,243.12x = 802,865.04 × 135,913.84
  4. Step 4: Simplify right side
    535,243.12x = 109,120,470,588.15
  5. Step 5: Solve for x
    x = 109,120,470,588.15/535,243.12
  6. Step 6: Final answer
    x = 203,870.85

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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.