Home / 282,350.49-389,627.75-164,513.23

Finding the Fourth Proportional to 282,350.49, 389,627.75 and 164,513.23

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Solution

The fourth proportional to 282,350.49, 389,627.75 and 164,513.23 is: 227,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,350.49 : 389,627.75 = 164,513.23 : x
  2. Step 2: Convert to fraction form
    282,350.49/389,627.75 = 164,513.23/x
  3. Step 3: Cross multiply
    282,350.49x = 389,627.75 × 164,513.23
  4. Step 4: Simplify right side
    282,350.49x = 64,098,917,701.99
  5. Step 5: Solve for x
    x = 64,098,917,701.99/282,350.49
  6. Step 6: Final answer
    x = 227,018.98

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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.