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Finding the Fourth Proportional to 377,243.36, 520,587.24 and 207,480.32

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Solution

The fourth proportional to 377,243.36, 520,587.24 and 207,480.32 is: 286,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,243.36 : 520,587.24 = 207,480.32 : x
  2. Step 2: Convert to fraction form
    377,243.36/520,587.24 = 207,480.32/x
  3. Step 3: Cross multiply
    377,243.36x = 520,587.24 × 207,480.32
  4. Step 4: Simplify right side
    377,243.36x = 108,011,607,143.12
  5. Step 5: Solve for x
    x = 108,011,607,143.12/377,243.36
  6. Step 6: Final answer
    x = 286,318.11

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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.