Home / 280,968.24-387,736.56-158,462.22

Finding the Fourth Proportional to 280,968.24, 387,736.56 and 158,462.22

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Solution

The fourth proportional to 280,968.24, 387,736.56 and 158,462.22 is: 218,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,968.24 : 387,736.56 = 158,462.22 : x
  2. Step 2: Convert to fraction form
    280,968.24/387,736.56 = 158,462.22/x
  3. Step 3: Cross multiply
    280,968.24x = 387,736.56 × 158,462.22
  4. Step 4: Simplify right side
    280,968.24x = 61,441,596,072.76
  5. Step 5: Solve for x
    x = 61,441,596,072.76/280,968.24
  6. Step 6: Final answer
    x = 218,678.08

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1.5x scale

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.