Home / 249,128.25-343,619.87-166,300.53

Finding the Fourth Proportional to 249,128.25, 343,619.87 and 166,300.53

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Solution

The fourth proportional to 249,128.25, 343,619.87 and 166,300.53 is: 229,376.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,128.25 : 343,619.87 = 166,300.53 : x
  2. Step 2: Convert to fraction form
    249,128.25/343,619.87 = 166,300.53/x
  3. Step 3: Cross multiply
    249,128.25x = 343,619.87 × 166,300.53
  4. Step 4: Simplify right side
    249,128.25x = 57,144,165,668.03
  5. Step 5: Solve for x
    x = 57,144,165,668.03/249,128.25
  6. Step 6: Final answer
    x = 229,376.50

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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.