Home / 268,918.65-371,222.60-191,444.31

Finding the Fourth Proportional to 268,918.65, 371,222.60 and 191,444.31

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Solution

The fourth proportional to 268,918.65, 371,222.60 and 191,444.31 is: 264,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,918.65 : 371,222.60 = 191,444.31 : x
  2. Step 2: Convert to fraction form
    268,918.65/371,222.60 = 191,444.31/x
  3. Step 3: Cross multiply
    268,918.65x = 371,222.60 × 191,444.31
  4. Step 4: Simplify right side
    268,918.65x = 71,068,453,556.18
  5. Step 5: Solve for x
    x = 71,068,453,556.18/268,918.65
  6. Step 6: Final answer
    x = 264,274.92

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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.