Home / 340,901.34-470,447.18-187,945.61

Finding the Fourth Proportional to 340,901.34, 470,447.18 and 187,945.61

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Solution

The fourth proportional to 340,901.34, 470,447.18 and 187,945.61 is: 259,366.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,901.34 : 470,447.18 = 187,945.61 : x
  2. Step 2: Convert to fraction form
    340,901.34/470,447.18 = 187,945.61/x
  3. Step 3: Cross multiply
    340,901.34x = 470,447.18 × 187,945.61
  4. Step 4: Simplify right side
    340,901.34x = 88,418,478,925.92
  5. Step 5: Solve for x
    x = 88,418,478,925.92/340,901.34
  6. Step 6: Final answer
    x = 259,366.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.