Home / 659,437.58-989,137.83-210,185.35

Finding the Fourth Proportional to 659,437.58, 989,137.83 and 210,185.35

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Solution

The fourth proportional to 659,437.58, 989,137.83 and 210,185.35 is: 315,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,437.58 : 989,137.83 = 210,185.35 : x
  2. Step 2: Convert to fraction form
    659,437.58/989,137.83 = 210,185.35/x
  3. Step 3: Cross multiply
    659,437.58x = 989,137.83 × 210,185.35
  4. Step 4: Simplify right side
    659,437.58x = 207,902,283,995.10
  5. Step 5: Solve for x
    x = 207,902,283,995.10/659,437.58
  6. Step 6: Final answer
    x = 315,272.12

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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.