Home / 395,911.15-546,228.93-223,812.47

Finding the Fourth Proportional to 395,911.15, 546,228.93 and 223,812.47

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Solution

The fourth proportional to 395,911.15, 546,228.93 and 223,812.47 is: 308,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,911.15 : 546,228.93 = 223,812.47 : x
  2. Step 2: Convert to fraction form
    395,911.15/546,228.93 = 223,812.47/x
  3. Step 3: Cross multiply
    395,911.15x = 546,228.93 × 223,812.47
  4. Step 4: Simplify right side
    395,911.15x = 122,252,848,213.63
  5. Step 5: Solve for x
    x = 122,252,848,213.63/395,911.15
  6. Step 6: Final answer
    x = 308,788.60

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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.