Home / 451,628.18-677,443.41-152,319

Finding the Fourth Proportional to 451,628.18, 677,443.41 and 152,319

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Solution

The fourth proportional to 451,628.18, 677,443.41 and 152,319 is: 228,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,628.18 : 677,443.41 = 152,319 : x
  2. Step 2: Convert to fraction form
    451,628.18/677,443.41 = 152,319/x
  3. Step 3: Cross multiply
    451,628.18x = 677,443.41 × 152,319
  4. Step 4: Simplify right side
    451,628.18x = 103,187,502,767.79
  5. Step 5: Solve for x
    x = 103,187,502,767.79/451,628.18
  6. Step 6: Final answer
    x = 228,478.89

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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.