Home / 340,835.79-470,331.96-187,865.55

Finding the Fourth Proportional to 340,835.79, 470,331.96 and 187,865.55

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Solution

The fourth proportional to 340,835.79, 470,331.96 and 187,865.55 is: 259,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,835.79 : 470,331.96 = 187,865.55 : x
  2. Step 2: Convert to fraction form
    340,835.79/470,331.96 = 187,865.55/x
  3. Step 3: Cross multiply
    340,835.79x = 470,331.96 × 187,865.55
  4. Step 4: Simplify right side
    340,835.79x = 88,359,172,347.98
  5. Step 5: Solve for x
    x = 88,359,172,347.98/340,835.79
  6. Step 6: Final answer
    x = 259,242.65

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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.