Home / 366,032.48-505,440-230,292.72

Finding the Fourth Proportional to 366,032.48, 505,440 and 230,292.72

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Solution

The fourth proportional to 366,032.48, 505,440 and 230,292.72 is: 318,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,032.48 : 505,440 = 230,292.72 : x
  2. Step 2: Convert to fraction form
    366,032.48/505,440 = 230,292.72/x
  3. Step 3: Cross multiply
    366,032.48x = 505,440 × 230,292.72
  4. Step 4: Simplify right side
    366,032.48x = 116,399,152,396.80
  5. Step 5: Solve for x
    x = 116,399,152,396.80/366,032.48
  6. Step 6: Final answer
    x = 318,002.25

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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.