Home / 434,628.84-652,035.54-135,102.12

Finding the Fourth Proportional to 434,628.84, 652,035.54 and 135,102.12

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Solution

The fourth proportional to 434,628.84, 652,035.54 and 135,102.12 is: 202,681.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,628.84 : 652,035.54 = 135,102.12 : x
  2. Step 2: Convert to fraction form
    434,628.84/652,035.54 = 135,102.12/x
  3. Step 3: Cross multiply
    434,628.84x = 652,035.54 × 135,102.12
  4. Step 4: Simplify right side
    434,628.84x = 88,091,383,769.34
  5. Step 5: Solve for x
    x = 88,091,383,769.34/434,628.84
  6. Step 6: Final answer
    x = 202,681.86

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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.