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Finding the Fourth Proportional to 210,230.58, 290,119.23 and 114,739.50

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Solution

The fourth proportional to 210,230.58, 290,119.23 and 114,739.50 is: 158,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,230.58 : 290,119.23 = 114,739.50 : x
  2. Step 2: Convert to fraction form
    210,230.58/290,119.23 = 114,739.50/x
  3. Step 3: Cross multiply
    210,230.58x = 290,119.23 × 114,739.50
  4. Step 4: Simplify right side
    210,230.58x = 33,288,135,390.59
  5. Step 5: Solve for x
    x = 33,288,135,390.59/210,230.58
  6. Step 6: Final answer
    x = 158,341.07

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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.