Home / 258,581.40-356,884.74-151,130.46

Finding the Fourth Proportional to 258,581.40, 356,884.74 and 151,130.46

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Solution

The fourth proportional to 258,581.40, 356,884.74 and 151,130.46 is: 208,584.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,581.40 : 356,884.74 = 151,130.46 : x
  2. Step 2: Convert to fraction form
    258,581.40/356,884.74 = 151,130.46/x
  3. Step 3: Cross multiply
    258,581.40x = 356,884.74 × 151,130.46
  4. Step 4: Simplify right side
    258,581.40x = 53,936,154,923.18
  5. Step 5: Solve for x
    x = 53,936,154,923.18/258,581.40
  6. Step 6: Final answer
    x = 208,584.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.