Home / 279,024.08-385,045.32-151,696.72

Finding the Fourth Proportional to 279,024.08, 385,045.32 and 151,696.72

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Solution

The fourth proportional to 279,024.08, 385,045.32 and 151,696.72 is: 209,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,024.08 : 385,045.32 = 151,696.72 : x
  2. Step 2: Convert to fraction form
    279,024.08/385,045.32 = 151,696.72/x
  3. Step 3: Cross multiply
    279,024.08x = 385,045.32 × 151,696.72
  4. Step 4: Simplify right side
    279,024.08x = 58,410,112,095.35
  5. Step 5: Solve for x
    x = 58,410,112,095.35/279,024.08
  6. Step 6: Final answer
    x = 209,337.17

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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.