Home / 628,469.16-942,705.69-155,154.57

Finding the Fourth Proportional to 628,469.16, 942,705.69 and 155,154.57

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Solution

The fourth proportional to 628,469.16, 942,705.69 and 155,154.57 is: 232,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,469.16 : 942,705.69 = 155,154.57 : x
  2. Step 2: Convert to fraction form
    628,469.16/942,705.69 = 155,154.57/x
  3. Step 3: Cross multiply
    628,469.16x = 942,705.69 × 155,154.57
  4. Step 4: Simplify right side
    628,469.16x = 146,265,095,968.50
  5. Step 5: Solve for x
    x = 146,265,095,968.50/628,469.16
  6. Step 6: Final answer
    x = 232,732.34

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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.