Home / 249,829.45-344,756.04-142,434.07

Finding the Fourth Proportional to 249,829.45, 344,756.04 and 142,434.07

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Solution

The fourth proportional to 249,829.45, 344,756.04 and 142,434.07 is: 196,554.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,829.45 : 344,756.04 = 142,434.07 : x
  2. Step 2: Convert to fraction form
    249,829.45/344,756.04 = 142,434.07/x
  3. Step 3: Cross multiply
    249,829.45x = 344,756.04 × 142,434.07
  4. Step 4: Simplify right side
    249,829.45x = 49,105,005,934.28
  5. Step 5: Solve for x
    x = 49,105,005,934.28/249,829.45
  6. Step 6: Final answer
    x = 196,554.11

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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.