Home / 379,984.16-524,349.22-210,214.64

Finding the Fourth Proportional to 379,984.16, 524,349.22 and 210,214.64

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Solution

The fourth proportional to 379,984.16, 524,349.22 and 210,214.64 is: 290,080.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,984.16 : 524,349.22 = 210,214.64 : x
  2. Step 2: Convert to fraction form
    379,984.16/524,349.22 = 210,214.64/x
  3. Step 3: Cross multiply
    379,984.16x = 524,349.22 × 210,214.64
  4. Step 4: Simplify right side
    379,984.16x = 110,225,882,516.58
  5. Step 5: Solve for x
    x = 110,225,882,516.58/379,984.16
  6. Step 6: Final answer
    x = 290,080.20

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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.