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Finding the Fourth Proportional to 372,333.75, 513,798.85 and 208,975.07

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Solution

The fourth proportional to 372,333.75, 513,798.85 and 208,975.07 is: 288,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,333.75 : 513,798.85 = 208,975.07 : x
  2. Step 2: Convert to fraction form
    372,333.75/513,798.85 = 208,975.07/x
  3. Step 3: Cross multiply
    372,333.75x = 513,798.85 × 208,975.07
  4. Step 4: Simplify right side
    372,333.75x = 107,371,151,014.90
  5. Step 5: Solve for x
    x = 107,371,151,014.90/372,333.75
  6. Step 6: Final answer
    x = 288,373.41

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1.5x scale

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.