Home / 372,392.37-513,911.43-211,271.63

Finding the Fourth Proportional to 372,392.37, 513,911.43 and 211,271.63

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Solution

The fourth proportional to 372,392.37, 513,911.43 and 211,271.63 is: 291,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,392.37 : 513,911.43 = 211,271.63 : x
  2. Step 2: Convert to fraction form
    372,392.37/513,911.43 = 211,271.63/x
  3. Step 3: Cross multiply
    372,392.37x = 513,911.43 × 211,271.63
  4. Step 4: Simplify right side
    372,392.37x = 108,574,902,922.17
  5. Step 5: Solve for x
    x = 108,574,902,922.17/372,392.37
  6. Step 6: Final answer
    x = 291,560.49

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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.