Home / 249,975.36-345,126.96-223,071.62

Finding the Fourth Proportional to 249,975.36, 345,126.96 and 223,071.62

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Solution

The fourth proportional to 249,975.36, 345,126.96 and 223,071.62 is: 307,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,975.36 : 345,126.96 = 223,071.62 : x
  2. Step 2: Convert to fraction form
    249,975.36/345,126.96 = 223,071.62/x
  3. Step 3: Cross multiply
    249,975.36x = 345,126.96 × 223,071.62
  4. Step 4: Simplify right side
    249,975.36x = 76,988,030,072.88
  5. Step 5: Solve for x
    x = 76,988,030,072.88/249,975.36
  6. Step 6: Final answer
    x = 307,982.48

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1.5x scale

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.