Home / 340,897.80-470,442-187,941.30

Finding the Fourth Proportional to 340,897.80, 470,442 and 187,941.30

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Solution

The fourth proportional to 340,897.80, 470,442 and 187,941.30 is: 259,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,897.80 : 470,442 = 187,941.30 : x
  2. Step 2: Convert to fraction form
    340,897.80/470,442 = 187,941.30/x
  3. Step 3: Cross multiply
    340,897.80x = 470,442 × 187,941.30
  4. Step 4: Simplify right side
    340,897.80x = 88,415,481,054.60
  5. Step 5: Solve for x
    x = 88,415,481,054.60/340,897.80
  6. Step 6: Final answer
    x = 259,360.67

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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.