Home / 268,945.10-403,417.65-163,969.10

Finding the Fourth Proportional to 268,945.10, 403,417.65 and 163,969.10

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Solution

The fourth proportional to 268,945.10, 403,417.65 and 163,969.10 is: 245,953.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,945.10 : 403,417.65 = 163,969.10 : x
  2. Step 2: Convert to fraction form
    268,945.10/403,417.65 = 163,969.10/x
  3. Step 3: Cross multiply
    268,945.10x = 403,417.65 × 163,969.10
  4. Step 4: Simplify right side
    268,945.10x = 66,148,028,994.62
  5. Step 5: Solve for x
    x = 66,148,028,994.62/268,945.10
  6. Step 6: Final answer
    x = 245,953.65

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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.