Home / 301,077.10-451,615.65-123,711.40

Finding the Fourth Proportional to 301,077.10, 451,615.65 and 123,711.40

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Solution

The fourth proportional to 301,077.10, 451,615.65 and 123,711.40 is: 185,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,077.10 : 451,615.65 = 123,711.40 : x
  2. Step 2: Convert to fraction form
    301,077.10/451,615.65 = 123,711.40/x
  3. Step 3: Cross multiply
    301,077.10x = 451,615.65 × 123,711.40
  4. Step 4: Simplify right side
    301,077.10x = 55,870,004,323.41
  5. Step 5: Solve for x
    x = 55,870,004,323.41/301,077.10
  6. Step 6: Final answer
    x = 185,567.10

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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.