Home / 291,072.56-401,547.38-210,372.26

Finding the Fourth Proportional to 291,072.56, 401,547.38 and 210,372.26

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Solution

The fourth proportional to 291,072.56, 401,547.38 and 210,372.26 is: 290,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,072.56 : 401,547.38 = 210,372.26 : x
  2. Step 2: Convert to fraction form
    291,072.56/401,547.38 = 210,372.26/x
  3. Step 3: Cross multiply
    291,072.56x = 401,547.38 × 210,372.26
  4. Step 4: Simplify right side
    291,072.56x = 84,474,426,768.08
  5. Step 5: Solve for x
    x = 84,474,426,768.08/291,072.56
  6. Step 6: Final answer
    x = 290,217.77

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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.