Home / 351,973.04-528,034.20-115,298

Finding the Fourth Proportional to 351,973.04, 528,034.20 and 115,298

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Solution

The fourth proportional to 351,973.04, 528,034.20 and 115,298 is: 172,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,973.04 : 528,034.20 = 115,298 : x
  2. Step 2: Convert to fraction form
    351,973.04/528,034.20 = 115,298/x
  3. Step 3: Cross multiply
    351,973.04x = 528,034.20 × 115,298
  4. Step 4: Simplify right side
    351,973.04x = 60,881,287,191.60
  5. Step 5: Solve for x
    x = 60,881,287,191.60/351,973.04
  6. Step 6: Final answer
    x = 172,971.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.