Home / 210,389.80-290,340.24-114,899.31

Finding the Fourth Proportional to 210,389.80, 290,340.24 and 114,899.31

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Solution

The fourth proportional to 210,389.80, 290,340.24 and 114,899.31 is: 158,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,389.80 : 290,340.24 = 114,899.31 : x
  2. Step 2: Convert to fraction form
    210,389.80/290,340.24 = 114,899.31/x
  3. Step 3: Cross multiply
    210,389.80x = 290,340.24 × 114,899.31
  4. Step 4: Simplify right side
    210,389.80x = 33,359,891,215.04
  5. Step 5: Solve for x
    x = 33,359,891,215.04/210,389.80
  6. Step 6: Final answer
    x = 158,562.30

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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.