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Finding the Fourth Proportional to 210,339.68, 290,272.80 and 114,850.16

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Solution

The fourth proportional to 210,339.68, 290,272.80 and 114,850.16 is: 158,495.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,339.68 : 290,272.80 = 114,850.16 : x
  2. Step 2: Convert to fraction form
    210,339.68/290,272.80 = 114,850.16/x
  3. Step 3: Cross multiply
    210,339.68x = 290,272.80 × 114,850.16
  4. Step 4: Simplify right side
    210,339.68x = 33,337,877,523.65
  5. Step 5: Solve for x
    x = 33,337,877,523.65/210,339.68
  6. Step 6: Final answer
    x = 158,495.43

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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.