Home / 290,810.04-401,319.60-163,484.52

Finding the Fourth Proportional to 290,810.04, 401,319.60 and 163,484.52

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Solution

The fourth proportional to 290,810.04, 401,319.60 and 163,484.52 is: 225,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,810.04 : 401,319.60 = 163,484.52 : x
  2. Step 2: Convert to fraction form
    290,810.04/401,319.60 = 163,484.52/x
  3. Step 3: Cross multiply
    290,810.04x = 401,319.60 × 163,484.52
  4. Step 4: Simplify right side
    290,810.04x = 65,609,542,172.59
  5. Step 5: Solve for x
    x = 65,609,542,172.59/290,810.04
  6. Step 6: Final answer
    x = 225,609.62

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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.