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Finding the Fourth Proportional to 377,004.69, 520,253.28 and 207,237.60

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Solution

The fourth proportional to 377,004.69, 520,253.28 and 207,237.60 is: 285,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,004.69 : 520,253.28 = 207,237.60 : x
  2. Step 2: Convert to fraction form
    377,004.69/520,253.28 = 207,237.60/x
  3. Step 3: Cross multiply
    377,004.69x = 520,253.28 × 207,237.60
  4. Step 4: Simplify right side
    377,004.69x = 107,816,041,139.33
  5. Step 5: Solve for x
    x = 107,816,041,139.33/377,004.69
  6. Step 6: Final answer
    x = 285,980.64

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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.