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Finding the Fourth Proportional to 340,756.68, 470,247.48 and 187,800.42

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Solution

The fourth proportional to 340,756.68, 470,247.48 and 187,800.42 is: 259,166.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,756.68 : 470,247.48 = 187,800.42 : x
  2. Step 2: Convert to fraction form
    340,756.68/470,247.48 = 187,800.42/x
  3. Step 3: Cross multiply
    340,756.68x = 470,247.48 × 187,800.42
  4. Step 4: Simplify right side
    340,756.68x = 88,312,674,247.94
  5. Step 5: Solve for x
    x = 88,312,674,247.94/340,756.68
  6. Step 6: Final answer
    x = 259,166.38

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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.