Home / 377,204.22-520,531.44-207,438.35

Finding the Fourth Proportional to 377,204.22, 520,531.44 and 207,438.35

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Solution

The fourth proportional to 377,204.22, 520,531.44 and 207,438.35 is: 286,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,204.22 : 520,531.44 = 207,438.35 : x
  2. Step 2: Convert to fraction form
    377,204.22/520,531.44 = 207,438.35/x
  3. Step 3: Cross multiply
    377,204.22x = 520,531.44 × 207,438.35
  4. Step 4: Simplify right side
    377,204.22x = 107,978,180,434.07
  5. Step 5: Solve for x
    x = 107,978,180,434.07/377,204.22
  6. Step 6: Final answer
    x = 286,259.21

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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.