Home / 423,431.25-584,313.69-251,356.57

Finding the Fourth Proportional to 423,431.25, 584,313.69 and 251,356.57

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Solution

The fourth proportional to 423,431.25, 584,313.69 and 251,356.57 is: 346,859.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,431.25 : 584,313.69 = 251,356.57 : x
  2. Step 2: Convert to fraction form
    423,431.25/584,313.69 = 251,356.57/x
  3. Step 3: Cross multiply
    423,431.25x = 584,313.69 × 251,356.57
  4. Step 4: Simplify right side
    423,431.25x = 146,871,084,922.44
  5. Step 5: Solve for x
    x = 146,871,084,922.44/423,431.25
  6. Step 6: Final answer
    x = 346,859.34

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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.