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Finding the Fourth Proportional to 377,208.72, 520,548.12 and 207,454.32

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Solution

The fourth proportional to 377,208.72, 520,548.12 and 207,454.32 is: 286,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,208.72 : 520,548.12 = 207,454.32 : x
  2. Step 2: Convert to fraction form
    377,208.72/520,548.12 = 207,454.32/x
  3. Step 3: Cross multiply
    377,208.72x = 520,548.12 × 207,454.32
  4. Step 4: Simplify right side
    377,208.72x = 107,989,956,261.88
  5. Step 5: Solve for x
    x = 107,989,956,261.88/377,208.72
  6. Step 6: Final answer
    x = 286,287.01

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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.