Home / 249,973.11-345,123.86-223,069.37

Finding the Fourth Proportional to 249,973.11, 345,123.86 and 223,069.37

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Solution

The fourth proportional to 249,973.11, 345,123.86 and 223,069.37 is: 307,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,973.11 : 345,123.86 = 223,069.37 : x
  2. Step 2: Convert to fraction form
    249,973.11/345,123.86 = 223,069.37/x
  3. Step 3: Cross multiply
    249,973.11x = 345,123.86 × 223,069.37
  4. Step 4: Simplify right side
    249,973.11x = 76,986,559,181.20
  5. Step 5: Solve for x
    x = 76,986,559,181.20/249,973.11
  6. Step 6: Final answer
    x = 307,979.36

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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.