Home / 297,289.87-446,002.92-128,838.45

Finding the Fourth Proportional to 297,289.87, 446,002.92 and 128,838.45

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Solution

The fourth proportional to 297,289.87, 446,002.92 and 128,838.45 is: 193,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,289.87 : 446,002.92 = 128,838.45 : x
  2. Step 2: Convert to fraction form
    297,289.87/446,002.92 = 128,838.45/x
  3. Step 3: Cross multiply
    297,289.87x = 446,002.92 × 128,838.45
  4. Step 4: Simplify right side
    297,289.87x = 57,462,324,264.08
  5. Step 5: Solve for x
    x = 57,462,324,264.08/297,289.87
  6. Step 6: Final answer
    x = 193,287.19

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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.