Home / 510,176.16-765,236.90-155,162.50

Finding the Fourth Proportional to 510,176.16, 765,236.90 and 155,162.50

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Solution

The fourth proportional to 510,176.16, 765,236.90 and 155,162.50 is: 232,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,176.16 : 765,236.90 = 155,162.50 : x
  2. Step 2: Convert to fraction form
    510,176.16/765,236.90 = 155,162.50/x
  3. Step 3: Cross multiply
    510,176.16x = 765,236.90 × 155,162.50
  4. Step 4: Simplify right side
    510,176.16x = 118,736,070,496.25
  5. Step 5: Solve for x
    x = 118,736,070,496.25/510,176.16
  6. Step 6: Final answer
    x = 232,735.43

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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.