Home / 310,686.04-428,742.65-174,719.94

Finding the Fourth Proportional to 310,686.04, 428,742.65 and 174,719.94

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Solution

The fourth proportional to 310,686.04, 428,742.65 and 174,719.94 is: 241,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,686.04 : 428,742.65 = 174,719.94 : x
  2. Step 2: Convert to fraction form
    310,686.04/428,742.65 = 174,719.94/x
  3. Step 3: Cross multiply
    310,686.04x = 428,742.65 × 174,719.94
  4. Step 4: Simplify right side
    310,686.04x = 74,909,890,083.44
  5. Step 5: Solve for x
    x = 74,909,890,083.44/310,686.04
  6. Step 6: Final answer
    x = 241,111.22

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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.