Home / 297,199.14-445,864.95-139,343.46

Finding the Fourth Proportional to 297,199.14, 445,864.95 and 139,343.46

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Solution

The fourth proportional to 297,199.14, 445,864.95 and 139,343.46 is: 209,046.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,199.14 : 445,864.95 = 139,343.46 : x
  2. Step 2: Convert to fraction form
    297,199.14/445,864.95 = 139,343.46/x
  3. Step 3: Cross multiply
    297,199.14x = 445,864.95 × 139,343.46
  4. Step 4: Simplify right side
    297,199.14x = 62,128,364,825.73
  5. Step 5: Solve for x
    x = 62,128,364,825.73/297,199.14
  6. Step 6: Final answer
    x = 209,046.25

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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.