Home / 262,130.30-393,487.05-162,403.10

Finding the Fourth Proportional to 262,130.30, 393,487.05 and 162,403.10

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Solution

The fourth proportional to 262,130.30, 393,487.05 and 162,403.10 is: 243,785.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,130.30 : 393,487.05 = 162,403.10 : x
  2. Step 2: Convert to fraction form
    262,130.30/393,487.05 = 162,403.10/x
  3. Step 3: Cross multiply
    262,130.30x = 393,487.05 × 162,403.10
  4. Step 4: Simplify right side
    262,130.30x = 63,903,516,729.86
  5. Step 5: Solve for x
    x = 63,903,516,729.86/262,130.30
  6. Step 6: Final answer
    x = 243,785.31

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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.