Home / 401,133.48-553,568.45-219,841.40

Finding the Fourth Proportional to 401,133.48, 553,568.45 and 219,841.40

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Solution

The fourth proportional to 401,133.48, 553,568.45 and 219,841.40 is: 303,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,133.48 : 553,568.45 = 219,841.40 : x
  2. Step 2: Convert to fraction form
    401,133.48/553,568.45 = 219,841.40/x
  3. Step 3: Cross multiply
    401,133.48x = 553,568.45 × 219,841.40
  4. Step 4: Simplify right side
    401,133.48x = 121,697,259,176.78
  5. Step 5: Solve for x
    x = 121,697,259,176.78/401,133.48
  6. Step 6: Final answer
    x = 303,383.45

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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.