Home / 210,320.28-290,230.92-114,808.50

Finding the Fourth Proportional to 210,320.28, 290,230.92 and 114,808.50

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Solution

The fourth proportional to 210,320.28, 290,230.92 and 114,808.50 is: 158,429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,320.28 : 290,230.92 = 114,808.50 : x
  2. Step 2: Convert to fraction form
    210,320.28/290,230.92 = 114,808.50/x
  3. Step 3: Cross multiply
    210,320.28x = 290,230.92 × 114,808.50
  4. Step 4: Simplify right side
    210,320.28x = 33,320,976,578.82
  5. Step 5: Solve for x
    x = 33,320,976,578.82/210,320.28
  6. Step 6: Final answer
    x = 158,429.69

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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.