Home / 211,203.33-291,740.09-157,394.93

Finding the Fourth Proportional to 211,203.33, 291,740.09 and 157,394.93

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Solution

The fourth proportional to 211,203.33, 291,740.09 and 157,394.93 is: 217,413.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,203.33 : 291,740.09 = 157,394.93 : x
  2. Step 2: Convert to fraction form
    211,203.33/291,740.09 = 157,394.93/x
  3. Step 3: Cross multiply
    211,203.33x = 291,740.09 × 157,394.93
  4. Step 4: Simplify right side
    211,203.33x = 45,918,411,043.74
  5. Step 5: Solve for x
    x = 45,918,411,043.74/211,203.33
  6. Step 6: Final answer
    x = 217,413.29

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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.