Home / 307,943.51-462,061.46-213,319.31

Finding the Fourth Proportional to 307,943.51, 462,061.46 and 213,319.31

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Solution

The fourth proportional to 307,943.51, 462,061.46 and 213,319.31 is: 320,080.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,943.51 : 462,061.46 = 213,319.31 : x
  2. Step 2: Convert to fraction form
    307,943.51/462,061.46 = 213,319.31/x
  3. Step 3: Cross multiply
    307,943.51x = 462,061.46 × 213,319.31
  4. Step 4: Simplify right side
    307,943.51x = 98,566,630,047.78
  5. Step 5: Solve for x
    x = 98,566,630,047.78/307,943.51
  6. Step 6: Final answer
    x = 320,080.24

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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.