Home / 379,834.56-524,168.64-210,064.32

Finding the Fourth Proportional to 379,834.56, 524,168.64 and 210,064.32

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Solution

The fourth proportional to 379,834.56, 524,168.64 and 210,064.32 is: 289,887.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,834.56 : 524,168.64 = 210,064.32 : x
  2. Step 2: Convert to fraction form
    379,834.56/524,168.64 = 210,064.32/x
  3. Step 3: Cross multiply
    379,834.56x = 524,168.64 × 210,064.32
  4. Step 4: Simplify right side
    379,834.56x = 110,109,128,926.93
  5. Step 5: Solve for x
    x = 110,109,128,926.93/379,834.56
  6. Step 6: Final answer
    x = 289,887.07

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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.