Home / 198,743.32-298,112.34-48,985.40

Finding the Fourth Proportional to 198,743.32, 298,112.34 and 48,985.40

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Solution

The fourth proportional to 198,743.32, 298,112.34 and 48,985.40 is: 73,477.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,743.32 : 298,112.34 = 48,985.40 : x
  2. Step 2: Convert to fraction form
    198,743.32/298,112.34 = 48,985.40/x
  3. Step 3: Cross multiply
    198,743.32x = 298,112.34 × 48,985.40
  4. Step 4: Simplify right side
    198,743.32x = 14,603,152,219.84
  5. Step 5: Solve for x
    x = 14,603,152,219.84/198,743.32
  6. Step 6: Final answer
    x = 73,477.45

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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.