Home / 202,878.10-304,317.15-163,513.30

Finding the Fourth Proportional to 202,878.10, 304,317.15 and 163,513.30

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Solution

The fourth proportional to 202,878.10, 304,317.15 and 163,513.30 is: 245,269.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,878.10 : 304,317.15 = 163,513.30 : x
  2. Step 2: Convert to fraction form
    202,878.10/304,317.15 = 163,513.30/x
  3. Step 3: Cross multiply
    202,878.10x = 304,317.15 × 163,513.30
  4. Step 4: Simplify right side
    202,878.10x = 49,759,901,443.10
  5. Step 5: Solve for x
    x = 49,759,901,443.10/202,878.10
  6. Step 6: Final answer
    x = 245,269.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.