Home / 452,039.60-677,788.72-152,513.52

Finding the Fourth Proportional to 452,039.60, 677,788.72 and 152,513.52

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Solution

The fourth proportional to 452,039.60, 677,788.72 and 152,513.52 is: 228,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,039.60 : 677,788.72 = 152,513.52 : x
  2. Step 2: Convert to fraction form
    452,039.60/677,788.72 = 152,513.52/x
  3. Step 3: Cross multiply
    452,039.60x = 677,788.72 × 152,513.52
  4. Step 4: Simplify right side
    452,039.60x = 103,371,943,503.49
  5. Step 5: Solve for x
    x = 103,371,943,503.49/452,039.60
  6. Step 6: Final answer
    x = 228,678.96

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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.