Home / 372,336.06-513,802.03-208,977.39

Finding the Fourth Proportional to 372,336.06, 513,802.03 and 208,977.39

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Solution

The fourth proportional to 372,336.06, 513,802.03 and 208,977.39 is: 288,376.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,336.06 : 513,802.03 = 208,977.39 : x
  2. Step 2: Convert to fraction form
    372,336.06/513,802.03 = 208,977.39/x
  3. Step 3: Cross multiply
    372,336.06x = 513,802.03 × 208,977.39
  4. Step 4: Simplify right side
    372,336.06x = 107,373,007,206.10
  5. Step 5: Solve for x
    x = 107,373,007,206.10/372,336.06
  6. Step 6: Final answer
    x = 288,376.60

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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.