Home / 291,822.48-402,715.26-157,686.48

Finding the Fourth Proportional to 291,822.48, 402,715.26 and 157,686.48

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Solution

The fourth proportional to 291,822.48, 402,715.26 and 157,686.48 is: 217,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,822.48 : 402,715.26 = 157,686.48 : x
  2. Step 2: Convert to fraction form
    291,822.48/402,715.26 = 157,686.48/x
  3. Step 3: Cross multiply
    291,822.48x = 402,715.26 × 157,686.48
  4. Step 4: Simplify right side
    291,822.48x = 63,502,751,791.68
  5. Step 5: Solve for x
    x = 63,502,751,791.68/291,822.48
  6. Step 6: Final answer
    x = 217,607.47

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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.