Home / 427,909.51-590,533.58-236,922.90

Finding the Fourth Proportional to 427,909.51, 590,533.58 and 236,922.90

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Solution

The fourth proportional to 427,909.51, 590,533.58 and 236,922.90 is: 326,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,909.51 : 590,533.58 = 236,922.90 : x
  2. Step 2: Convert to fraction form
    427,909.51/590,533.58 = 236,922.90/x
  3. Step 3: Cross multiply
    427,909.51x = 590,533.58 × 236,922.90
  4. Step 4: Simplify right side
    427,909.51x = 139,910,929,795.10
  5. Step 5: Solve for x
    x = 139,910,929,795.10/427,909.51
  6. Step 6: Final answer
    x = 326,963.82

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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.