Home / 380,261.25-570,952.59-212,110.11

Finding the Fourth Proportional to 380,261.25, 570,952.59 and 212,110.11

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Solution

The fourth proportional to 380,261.25, 570,952.59 and 212,110.11 is: 318,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,261.25 : 570,952.59 = 212,110.11 : x
  2. Step 2: Convert to fraction form
    380,261.25/570,952.59 = 212,110.11/x
  3. Step 3: Cross multiply
    380,261.25x = 570,952.59 × 212,110.11
  4. Step 4: Simplify right side
    380,261.25x = 121,104,816,669.69
  5. Step 5: Solve for x
    x = 121,104,816,669.69/380,261.25
  6. Step 6: Final answer
    x = 318,477.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.