Home / 215,837.60-323,464.80-144,557.60

Finding the Fourth Proportional to 215,837.60, 323,464.80 and 144,557.60

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Solution

The fourth proportional to 215,837.60, 323,464.80 and 144,557.60 is: 216,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,837.60 : 323,464.80 = 144,557.60 : x
  2. Step 2: Convert to fraction form
    215,837.60/323,464.80 = 144,557.60/x
  3. Step 3: Cross multiply
    215,837.60x = 323,464.80 × 144,557.60
  4. Step 4: Simplify right side
    215,837.60x = 46,759,295,172.48
  5. Step 5: Solve for x
    x = 46,759,295,172.48/215,837.60
  6. Step 6: Final answer
    x = 216,641.10

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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.