Home / 210,564.65-290,579.33-115,071.34

Finding the Fourth Proportional to 210,564.65, 290,579.33 and 115,071.34

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Solution

The fourth proportional to 210,564.65, 290,579.33 and 115,071.34 is: 158,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,564.65 : 290,579.33 = 115,071.34 : x
  2. Step 2: Convert to fraction form
    210,564.65/290,579.33 = 115,071.34/x
  3. Step 3: Cross multiply
    210,564.65x = 290,579.33 × 115,071.34
  4. Step 4: Simplify right side
    210,564.65x = 33,437,352,879.40
  5. Step 5: Solve for x
    x = 33,437,352,879.40/210,564.65
  6. Step 6: Final answer
    x = 158,798.51

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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.