Home / 198,688.90-298,030.74-48,930.43

Finding the Fourth Proportional to 198,688.90, 298,030.74 and 48,930.43

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Solution

The fourth proportional to 198,688.90, 298,030.74 and 48,930.43 is: 73,395.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,688.90 : 298,030.74 = 48,930.43 : x
  2. Step 2: Convert to fraction form
    198,688.90/298,030.74 = 48,930.43/x
  3. Step 3: Cross multiply
    198,688.90x = 298,030.74 × 48,930.43
  4. Step 4: Simplify right side
    198,688.90x = 14,582,772,166.89
  5. Step 5: Solve for x
    x = 14,582,772,166.89/198,688.90
  6. Step 6: Final answer
    x = 73,395.00

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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.