Home / 297,288.57-446,000.97-128,837.17

Finding the Fourth Proportional to 297,288.57, 446,000.97 and 128,837.17

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Solution

The fourth proportional to 297,288.57, 446,000.97 and 128,837.17 is: 193,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,288.57 : 446,000.97 = 128,837.17 : x
  2. Step 2: Convert to fraction form
    297,288.57/446,000.97 = 128,837.17/x
  3. Step 3: Cross multiply
    297,288.57x = 446,000.97 × 128,837.17
  4. Step 4: Simplify right side
    297,288.57x = 57,461,502,792.05
  5. Step 5: Solve for x
    x = 57,461,502,792.05/297,288.57
  6. Step 6: Final answer
    x = 193,285.27

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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.