Home / 451,983.20-677,953.20-152,434.40

Finding the Fourth Proportional to 451,983.20, 677,953.20 and 152,434.40

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Solution

The fourth proportional to 451,983.20, 677,953.20 and 152,434.40 is: 228,644.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,983.20 : 677,953.20 = 152,434.40 : x
  2. Step 2: Convert to fraction form
    451,983.20/677,953.20 = 152,434.40/x
  3. Step 3: Cross multiply
    451,983.20x = 677,953.20 × 152,434.40
  4. Step 4: Simplify right side
    451,983.20x = 103,343,389,270.08
  5. Step 5: Solve for x
    x = 103,343,389,270.08/451,983.20
  6. Step 6: Final answer
    x = 228,644.32

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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.