Home / 380,090.16-521,730.08-336,105.84

Finding the Fourth Proportional to 380,090.16, 521,730.08 and 336,105.84

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Solution

The fourth proportional to 380,090.16, 521,730.08 and 336,105.84 is: 461,355.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,090.16 : 521,730.08 = 336,105.84 : x
  2. Step 2: Convert to fraction form
    380,090.16/521,730.08 = 336,105.84/x
  3. Step 3: Cross multiply
    380,090.16x = 521,730.08 × 336,105.84
  4. Step 4: Simplify right side
    380,090.16x = 175,356,526,791.67
  5. Step 5: Solve for x
    x = 175,356,526,791.67/380,090.16
  6. Step 6: Final answer
    x = 461,355.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.