Home / 371,756.45-513,022.64-210,642.26

Finding the Fourth Proportional to 371,756.45, 513,022.64 and 210,642.26

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Solution

The fourth proportional to 371,756.45, 513,022.64 and 210,642.26 is: 290,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,756.45 : 513,022.64 = 210,642.26 : x
  2. Step 2: Convert to fraction form
    371,756.45/513,022.64 = 210,642.26/x
  3. Step 3: Cross multiply
    371,756.45x = 513,022.64 × 210,642.26
  4. Step 4: Simplify right side
    371,756.45x = 108,064,244,702.44
  5. Step 5: Solve for x
    x = 108,064,244,702.44/371,756.45
  6. Step 6: Final answer
    x = 290,685.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.