Home / 439,220.64-606,108.20-238,012.32

Finding the Fourth Proportional to 439,220.64, 606,108.20 and 238,012.32

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Solution

The fourth proportional to 439,220.64, 606,108.20 and 238,012.32 is: 328,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,220.64 : 606,108.20 = 238,012.32 : x
  2. Step 2: Convert to fraction form
    439,220.64/606,108.20 = 238,012.32/x
  3. Step 3: Cross multiply
    439,220.64x = 606,108.20 × 238,012.32
  4. Step 4: Simplify right side
    439,220.64x = 144,261,218,853.02
  5. Step 5: Solve for x
    x = 144,261,218,853.02/439,220.64
  6. Step 6: Final answer
    x = 328,448.18

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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.