Home / 382,475.04-527,828.56-210,400.32

Finding the Fourth Proportional to 382,475.04, 527,828.56 and 210,400.32

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Solution

The fourth proportional to 382,475.04, 527,828.56 and 210,400.32 is: 290,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,475.04 : 527,828.56 = 210,400.32 : x
  2. Step 2: Convert to fraction form
    382,475.04/527,828.56 = 210,400.32/x
  3. Step 3: Cross multiply
    382,475.04x = 527,828.56 × 210,400.32
  4. Step 4: Simplify right side
    382,475.04x = 111,055,297,929.14
  5. Step 5: Solve for x
    x = 111,055,297,929.14/382,475.04
  6. Step 6: Final answer
    x = 290,359.60

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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.