Home / 308,354.04-462,764.75-130,985.51

Finding the Fourth Proportional to 308,354.04, 462,764.75 and 130,985.51

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Solution

The fourth proportional to 308,354.04, 462,764.75 and 130,985.51 is: 196,577.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,354.04 : 462,764.75 = 130,985.51 : x
  2. Step 2: Convert to fraction form
    308,354.04/462,764.75 = 130,985.51/x
  3. Step 3: Cross multiply
    308,354.04x = 462,764.75 × 130,985.51
  4. Step 4: Simplify right side
    308,354.04x = 60,615,473,820.02
  5. Step 5: Solve for x
    x = 60,615,473,820.02/308,354.04
  6. Step 6: Final answer
    x = 196,577.52

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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.