Home / 282,150.34-389,366.40-154,828.06

Finding the Fourth Proportional to 282,150.34, 389,366.40 and 154,828.06

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Solution

The fourth proportional to 282,150.34, 389,366.40 and 154,828.06 is: 213,662.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,150.34 : 389,366.40 = 154,828.06 : x
  2. Step 2: Convert to fraction form
    282,150.34/389,366.40 = 154,828.06/x
  3. Step 3: Cross multiply
    282,150.34x = 389,366.40 × 154,828.06
  4. Step 4: Simplify right side
    282,150.34x = 60,284,844,341.18
  5. Step 5: Solve for x
    x = 60,284,844,341.18/282,150.34
  6. Step 6: Final answer
    x = 213,662.14

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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.