Home / 331,329.64-457,235.62-180,423.40

Finding the Fourth Proportional to 331,329.64, 457,235.62 and 180,423.40

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Solution

The fourth proportional to 331,329.64, 457,235.62 and 180,423.40 is: 248,984.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,329.64 : 457,235.62 = 180,423.40 : x
  2. Step 2: Convert to fraction form
    331,329.64/457,235.62 = 180,423.40/x
  3. Step 3: Cross multiply
    331,329.64x = 457,235.62 × 180,423.40
  4. Step 4: Simplify right side
    331,329.64x = 82,496,005,161.51
  5. Step 5: Solve for x
    x = 82,496,005,161.51/331,329.64
  6. Step 6: Final answer
    x = 248,984.68

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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.