Home / 279,276.16-385,409.22-151,959.94

Finding the Fourth Proportional to 279,276.16, 385,409.22 and 151,959.94

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Solution

The fourth proportional to 279,276.16, 385,409.22 and 151,959.94 is: 209,709.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,276.16 : 385,409.22 = 151,959.94 : x
  2. Step 2: Convert to fraction form
    279,276.16/385,409.22 = 151,959.94/x
  3. Step 3: Cross multiply
    279,276.16x = 385,409.22 × 151,959.94
  4. Step 4: Simplify right side
    279,276.16x = 58,566,761,946.65
  5. Step 5: Solve for x
    x = 58,566,761,946.65/279,276.16
  6. Step 6: Final answer
    x = 209,709.14

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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.