Home / 379,973.16-524,334.06-210,203.64

Finding the Fourth Proportional to 379,973.16, 524,334.06 and 210,203.64

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Solution

The fourth proportional to 379,973.16, 524,334.06 and 210,203.64 is: 290,065.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,973.16 : 524,334.06 = 210,203.64 : x
  2. Step 2: Convert to fraction form
    379,973.16/524,334.06 = 210,203.64/x
  3. Step 3: Cross multiply
    379,973.16x = 524,334.06 × 210,203.64
  4. Step 4: Simplify right side
    379,973.16x = 110,216,927,987.98
  5. Step 5: Solve for x
    x = 110,216,927,987.98/379,973.16
  6. Step 6: Final answer
    x = 290,065.04

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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.