Home / 282,502.41-389,853.60-155,186.22

Finding the Fourth Proportional to 282,502.41, 389,853.60 and 155,186.22

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Solution

The fourth proportional to 282,502.41, 389,853.60 and 155,186.22 is: 214,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,502.41 : 389,853.60 = 155,186.22 : x
  2. Step 2: Convert to fraction form
    282,502.41/389,853.60 = 155,186.22/x
  3. Step 3: Cross multiply
    282,502.41x = 389,853.60 × 155,186.22
  4. Step 4: Simplify right side
    282,502.41x = 60,499,906,537.39
  5. Step 5: Solve for x
    x = 60,499,906,537.39/282,502.41
  6. Step 6: Final answer
    x = 214,157.13

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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.