Home / 249,460.89-344,255.43-136,284.45

Finding the Fourth Proportional to 249,460.89, 344,255.43 and 136,284.45

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Solution

The fourth proportional to 249,460.89, 344,255.43 and 136,284.45 is: 188,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,460.89 : 344,255.43 = 136,284.45 : x
  2. Step 2: Convert to fraction form
    249,460.89/344,255.43 = 136,284.45/x
  3. Step 3: Cross multiply
    249,460.89x = 344,255.43 × 136,284.45
  4. Step 4: Simplify right side
    249,460.89x = 46,916,661,937.06
  5. Step 5: Solve for x
    x = 46,916,661,937.06/249,460.89
  6. Step 6: Final answer
    x = 188,072.21

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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.