Home / 395,931.83-546,386.07-214,643.72

Finding the Fourth Proportional to 395,931.83, 546,386.07 and 214,643.72

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Solution

The fourth proportional to 395,931.83, 546,386.07 and 214,643.72 is: 296,208.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,931.83 : 546,386.07 = 214,643.72 : x
  2. Step 2: Convert to fraction form
    395,931.83/546,386.07 = 214,643.72/x
  3. Step 3: Cross multiply
    395,931.83x = 546,386.07 × 214,643.72
  4. Step 4: Simplify right side
    395,931.83x = 117,278,338,620.98
  5. Step 5: Solve for x
    x = 117,278,338,620.98/395,931.83
  6. Step 6: Final answer
    x = 296,208.41

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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.