Home / 659,386.62-989,025.21-210,089.34

Finding the Fourth Proportional to 659,386.62, 989,025.21 and 210,089.34

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Solution

The fourth proportional to 659,386.62, 989,025.21 and 210,089.34 is: 315,116.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,386.62 : 989,025.21 = 210,089.34 : x
  2. Step 2: Convert to fraction form
    659,386.62/989,025.21 = 210,089.34/x
  3. Step 3: Cross multiply
    659,386.62x = 989,025.21 × 210,089.34
  4. Step 4: Simplify right side
    659,386.62x = 207,783,653,612.26
  5. Step 5: Solve for x
    x = 207,783,653,612.26/659,386.62
  6. Step 6: Final answer
    x = 315,116.58

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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.