Home / 282,258.03-389,338.91-167,455.40

Finding the Fourth Proportional to 282,258.03, 389,338.91 and 167,455.40

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Solution

The fourth proportional to 282,258.03, 389,338.91 and 167,455.40 is: 230,983.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,258.03 : 389,338.91 = 167,455.40 : x
  2. Step 2: Convert to fraction form
    282,258.03/389,338.91 = 167,455.40/x
  3. Step 3: Cross multiply
    282,258.03x = 389,338.91 × 167,455.40
  4. Step 4: Simplify right side
    282,258.03x = 65,196,901,585.66
  5. Step 5: Solve for x
    x = 65,196,901,585.66/282,258.03
  6. Step 6: Final answer
    x = 230,983.33

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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.