Home / 400,852.84-553,276.74-231,189.16

Finding the Fourth Proportional to 400,852.84, 553,276.74 and 231,189.16

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Solution

The fourth proportional to 400,852.84, 553,276.74 and 231,189.16 is: 319,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,852.84 : 553,276.74 = 231,189.16 : x
  2. Step 2: Convert to fraction form
    400,852.84/553,276.74 = 231,189.16/x
  3. Step 3: Cross multiply
    400,852.84x = 553,276.74 × 231,189.16
  4. Step 4: Simplify right side
    400,852.84x = 127,911,584,768.14
  5. Step 5: Solve for x
    x = 127,911,584,768.14/400,852.84
  6. Step 6: Final answer
    x = 319,098.61

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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.