Home / 290,973.31-401,411.30-210,273.01

Finding the Fourth Proportional to 290,973.31, 401,411.30 and 210,273.01

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Solution

The fourth proportional to 290,973.31, 401,411.30 and 210,273.01 is: 290,081.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,973.31 : 401,411.30 = 210,273.01 : x
  2. Step 2: Convert to fraction form
    290,973.31/401,411.30 = 210,273.01/x
  3. Step 3: Cross multiply
    290,973.31x = 401,411.30 × 210,273.01
  4. Step 4: Simplify right side
    290,973.31x = 84,405,962,299.01
  5. Step 5: Solve for x
    x = 84,405,962,299.01/290,973.31
  6. Step 6: Final answer
    x = 290,081.46

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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.