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Finding the Fourth Proportional to 240,368.53, 360,298.54 and 90,544.02

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Solution

The fourth proportional to 240,368.53, 360,298.54 and 90,544.02 is: 135,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,368.53 : 360,298.54 = 90,544.02 : x
  2. Step 2: Convert to fraction form
    240,368.53/360,298.54 = 90,544.02/x
  3. Step 3: Cross multiply
    240,368.53x = 360,298.54 × 90,544.02
  4. Step 4: Simplify right side
    240,368.53x = 32,622,878,211.73
  5. Step 5: Solve for x
    x = 32,622,878,211.73/240,368.53
  6. Step 6: Final answer
    x = 135,720.26

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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.