Home / 351,441.16-485,060.34-238,300.36

Finding the Fourth Proportional to 351,441.16, 485,060.34 and 238,300.36

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Solution

The fourth proportional to 351,441.16, 485,060.34 and 238,300.36 is: 328,903.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,441.16 : 485,060.34 = 238,300.36 : x
  2. Step 2: Convert to fraction form
    351,441.16/485,060.34 = 238,300.36/x
  3. Step 3: Cross multiply
    351,441.16x = 485,060.34 × 238,300.36
  4. Step 4: Simplify right side
    351,441.16x = 115,590,053,643.72
  5. Step 5: Solve for x
    x = 115,590,053,643.72/351,441.16
  6. Step 6: Final answer
    x = 328,903.01

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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.