Home / 296,918.10-409,197.46-210,880.84

Finding the Fourth Proportional to 296,918.10, 409,197.46 and 210,880.84

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Solution

The fourth proportional to 296,918.10, 409,197.46 and 210,880.84 is: 290,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,918.10 : 409,197.46 = 210,880.84 : x
  2. Step 2: Convert to fraction form
    296,918.10/409,197.46 = 210,880.84/x
  3. Step 3: Cross multiply
    296,918.10x = 409,197.46 × 210,880.84
  4. Step 4: Simplify right side
    296,918.10x = 86,291,904,090.67
  5. Step 5: Solve for x
    x = 86,291,904,090.67/296,918.10
  6. Step 6: Final answer
    x = 290,625.27

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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.