Home / 279,281.07-385,407.52-151,955.82

Finding the Fourth Proportional to 279,281.07, 385,407.52 and 151,955.82

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Solution

The fourth proportional to 279,281.07, 385,407.52 and 151,955.82 is: 209,698.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,281.07 : 385,407.52 = 151,955.82 : x
  2. Step 2: Convert to fraction form
    279,281.07/385,407.52 = 151,955.82/x
  3. Step 3: Cross multiply
    279,281.07x = 385,407.52 × 151,955.82
  4. Step 4: Simplify right side
    279,281.07x = 58,564,915,355.88
  5. Step 5: Solve for x
    x = 58,564,915,355.88/279,281.07
  6. Step 6: Final answer
    x = 209,698.84

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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.