Home / 372,038.35-513,505.93-228,715.36

Finding the Fourth Proportional to 372,038.35, 513,505.93 and 228,715.36

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Solution

The fourth proportional to 372,038.35, 513,505.93 and 228,715.36 is: 315,684.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,038.35 : 513,505.93 = 228,715.36 : x
  2. Step 2: Convert to fraction form
    372,038.35/513,505.93 = 228,715.36/x
  3. Step 3: Cross multiply
    372,038.35x = 513,505.93 × 228,715.36
  4. Step 4: Simplify right side
    372,038.35x = 117,446,693,642.09
  5. Step 5: Solve for x
    x = 117,446,693,642.09/372,038.35
  6. Step 6: Final answer
    x = 315,684.37

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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.