Home / 249,974.61-345,125.93-223,070.87

Finding the Fourth Proportional to 249,974.61, 345,125.93 and 223,070.87

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Solution

The fourth proportional to 249,974.61, 345,125.93 and 223,070.87 is: 307,981.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,974.61 : 345,125.93 = 223,070.87 : x
  2. Step 2: Convert to fraction form
    249,974.61/345,125.93 = 223,070.87/x
  3. Step 3: Cross multiply
    249,974.61x = 345,125.93 × 223,070.87
  4. Step 4: Simplify right side
    249,974.61x = 76,987,538,623.68
  5. Step 5: Solve for x
    x = 76,987,538,623.68/249,974.61
  6. Step 6: Final answer
    x = 307,981.43

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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.