Home / 438,025.32-604,475.82-236,821.32

Finding the Fourth Proportional to 438,025.32, 604,475.82 and 236,821.32

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Solution

The fourth proportional to 438,025.32, 604,475.82 and 236,821.32 is: 326,813.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,025.32 : 604,475.82 = 236,821.32 : x
  2. Step 2: Convert to fraction form
    438,025.32/604,475.82 = 236,821.32/x
  3. Step 3: Cross multiply
    438,025.32x = 604,475.82 × 236,821.32
  4. Step 4: Simplify right side
    438,025.32x = 143,152,761,600.48
  5. Step 5: Solve for x
    x = 143,152,761,600.48/438,025.32
  6. Step 6: Final answer
    x = 326,813.90

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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.