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Finding the Fourth Proportional to 240,270.44, 360,055.74 and 115,465.64

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Solution

The fourth proportional to 240,270.44, 360,055.74 and 115,465.64 is: 173,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,270.44 : 360,055.74 = 115,465.64 : x
  2. Step 2: Convert to fraction form
    240,270.44/360,055.74 = 115,465.64/x
  3. Step 3: Cross multiply
    240,270.44x = 360,055.74 × 115,465.64
  4. Step 4: Simplify right side
    240,270.44x = 41,574,066,454.77
  5. Step 5: Solve for x
    x = 41,574,066,454.77/240,270.44
  6. Step 6: Final answer
    x = 173,030.30

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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.