Home / 379,864.53-524,177.87-210,095.01

Finding the Fourth Proportional to 379,864.53, 524,177.87 and 210,095.01

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Solution

The fourth proportional to 379,864.53, 524,177.87 and 210,095.01 is: 289,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,864.53 : 524,177.87 = 210,095.01 : x
  2. Step 2: Convert to fraction form
    379,864.53/524,177.87 = 210,095.01/x
  3. Step 3: Cross multiply
    379,864.53x = 524,177.87 × 210,095.01
  4. Step 4: Simplify right side
    379,864.53x = 110,127,153,788.95
  5. Step 5: Solve for x
    x = 110,127,153,788.95/379,864.53
  6. Step 6: Final answer
    x = 289,911.65

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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.