Home / 340,975.60-511,463.40-208,115.35

Finding the Fourth Proportional to 340,975.60, 511,463.40 and 208,115.35

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Solution

The fourth proportional to 340,975.60, 511,463.40 and 208,115.35 is: 312,173.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,975.60 : 511,463.40 = 208,115.35 : x
  2. Step 2: Convert to fraction form
    340,975.60/511,463.40 = 208,115.35/x
  3. Step 3: Cross multiply
    340,975.60x = 511,463.40 × 208,115.35
  4. Step 4: Simplify right side
    340,975.60x = 106,443,384,503.19
  5. Step 5: Solve for x
    x = 106,443,384,503.19/340,975.60
  6. Step 6: Final answer
    x = 312,173.03

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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.