Home / 451,985.20-677,956.20-152,436.40

Finding the Fourth Proportional to 451,985.20, 677,956.20 and 152,436.40

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Solution

The fourth proportional to 451,985.20, 677,956.20 and 152,436.40 is: 228,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,985.20 : 677,956.20 = 152,436.40 : x
  2. Step 2: Convert to fraction form
    451,985.20/677,956.20 = 152,436.40/x
  3. Step 3: Cross multiply
    451,985.20x = 677,956.20 × 152,436.40
  4. Step 4: Simplify right side
    451,985.20x = 103,345,202,485.68
  5. Step 5: Solve for x
    x = 103,345,202,485.68/451,985.20
  6. Step 6: Final answer
    x = 228,647.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.