Home / 249,458.40-343,859.04-228,864.96

Finding the Fourth Proportional to 249,458.40, 343,859.04 and 228,864.96

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Solution

The fourth proportional to 249,458.40, 343,859.04 and 228,864.96 is: 315,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,458.40 : 343,859.04 = 228,864.96 : x
  2. Step 2: Convert to fraction form
    249,458.40/343,859.04 = 228,864.96/x
  3. Step 3: Cross multiply
    249,458.40x = 343,859.04 × 228,864.96
  4. Step 4: Simplify right side
    249,458.40x = 78,697,285,435.24
  5. Step 5: Solve for x
    x = 78,697,285,435.24/249,458.40
  6. Step 6: Final answer
    x = 315,472.58

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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.