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Finding the Fourth Proportional to 249,447.77, 344,237.33 and 136,271.33

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Solution

The fourth proportional to 249,447.77, 344,237.33 and 136,271.33 is: 188,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,447.77 : 344,237.33 = 136,271.33 : x
  2. Step 2: Convert to fraction form
    249,447.77/344,237.33 = 136,271.33/x
  3. Step 3: Cross multiply
    249,447.77x = 344,237.33 × 136,271.33
  4. Step 4: Simplify right side
    249,447.77x = 46,909,676,392.21
  5. Step 5: Solve for x
    x = 46,909,676,392.21/249,447.77
  6. Step 6: Final answer
    x = 188,054.11

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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.