Home / 326,511.98-489,577.68-126,598.83

Finding the Fourth Proportional to 326,511.98, 489,577.68 and 126,598.83

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Solution

The fourth proportional to 326,511.98, 489,577.68 and 126,598.83 is: 189,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,511.98 : 489,577.68 = 126,598.83 : x
  2. Step 2: Convert to fraction form
    326,511.98/489,577.68 = 126,598.83/x
  3. Step 3: Cross multiply
    326,511.98x = 489,577.68 × 126,598.83
  4. Step 4: Simplify right side
    326,511.98x = 61,979,961,482.11
  5. Step 5: Solve for x
    x = 61,979,961,482.11/326,511.98
  6. Step 6: Final answer
    x = 189,824.46

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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.