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Finding the Fourth Proportional to 377,069.91, 520,365.74 and 207,304.35

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Solution

The fourth proportional to 377,069.91, 520,365.74 and 207,304.35 is: 286,085.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,069.91 : 520,365.74 = 207,304.35 : x
  2. Step 2: Convert to fraction form
    377,069.91/520,365.74 = 207,304.35/x
  3. Step 3: Cross multiply
    377,069.91x = 520,365.74 × 207,304.35
  4. Step 4: Simplify right side
    377,069.91x = 107,874,080,456.45
  5. Step 5: Solve for x
    x = 107,874,080,456.45/377,069.91
  6. Step 6: Final answer
    x = 286,085.09

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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.