Home / 379,888.04-524,217.84-210,125

Finding the Fourth Proportional to 379,888.04, 524,217.84 and 210,125

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Solution

The fourth proportional to 379,888.04, 524,217.84 and 210,125 is: 289,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,888.04 : 524,217.84 = 210,125 : x
  2. Step 2: Convert to fraction form
    379,888.04/524,217.84 = 210,125/x
  3. Step 3: Cross multiply
    379,888.04x = 524,217.84 × 210,125
  4. Step 4: Simplify right side
    379,888.04x = 110,151,273,630
  5. Step 5: Solve for x
    x = 110,151,273,630/379,888.04
  6. Step 6: Final answer
    x = 289,957.20

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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.