Home / 249,582.25-344,423.49-136,405

Finding the Fourth Proportional to 249,582.25, 344,423.49 and 136,405

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Solution

The fourth proportional to 249,582.25, 344,423.49 and 136,405 is: 188,238.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,582.25 : 344,423.49 = 136,405 : x
  2. Step 2: Convert to fraction form
    249,582.25/344,423.49 = 136,405/x
  3. Step 3: Cross multiply
    249,582.25x = 344,423.49 × 136,405
  4. Step 4: Simplify right side
    249,582.25x = 46,981,086,153.45
  5. Step 5: Solve for x
    x = 46,981,086,153.45/249,582.25
  6. Step 6: Final answer
    x = 188,238.89

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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.