Home / 421,293.15-581,388.39-240,002.37

Finding the Fourth Proportional to 421,293.15, 581,388.39 and 240,002.37

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Solution

The fourth proportional to 421,293.15, 581,388.39 and 240,002.37 is: 331,205.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,293.15 : 581,388.39 = 240,002.37 : x
  2. Step 2: Convert to fraction form
    421,293.15/581,388.39 = 240,002.37/x
  3. Step 3: Cross multiply
    421,293.15x = 581,388.39 × 240,002.37
  4. Step 4: Simplify right side
    421,293.15x = 139,534,591,490.48
  5. Step 5: Solve for x
    x = 139,534,591,490.48/421,293.15
  6. Step 6: Final answer
    x = 331,205.46

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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.