Home / 374,192.10-563,814.99-309,090.78

Finding the Fourth Proportional to 374,192.10, 563,814.99 and 309,090.78

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Solution

The fourth proportional to 374,192.10, 563,814.99 and 309,090.78 is: 465,723.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,192.10 : 563,814.99 = 309,090.78 : x
  2. Step 2: Convert to fraction form
    374,192.10/563,814.99 = 309,090.78/x
  3. Step 3: Cross multiply
    374,192.10x = 563,814.99 × 309,090.78
  4. Step 4: Simplify right side
    374,192.10x = 174,270,015,034.79
  5. Step 5: Solve for x
    x = 174,270,015,034.79/374,192.10
  6. Step 6: Final answer
    x = 465,723.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.