Home / 262,430.10-393,683.55-84,906.90

Finding the Fourth Proportional to 262,430.10, 393,683.55 and 84,906.90

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Solution

The fourth proportional to 262,430.10, 393,683.55 and 84,906.90 is: 127,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,430.10 : 393,683.55 = 84,906.90 : x
  2. Step 2: Convert to fraction form
    262,430.10/393,683.55 = 84,906.90/x
  3. Step 3: Cross multiply
    262,430.10x = 393,683.55 × 84,906.90
  4. Step 4: Simplify right side
    262,430.10x = 33,426,449,811.50
  5. Step 5: Solve for x
    x = 33,426,449,811.50/262,430.10
  6. Step 6: Final answer
    x = 127,372.77

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1.5x scale

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.