Home / 384,744.63-577,117.09-100,434.38

Finding the Fourth Proportional to 384,744.63, 577,117.09 and 100,434.38

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Solution

The fourth proportional to 384,744.63, 577,117.09 and 100,434.38 is: 150,651.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,744.63 : 577,117.09 = 100,434.38 : x
  2. Step 2: Convert to fraction form
    384,744.63/577,117.09 = 100,434.38/x
  3. Step 3: Cross multiply
    384,744.63x = 577,117.09 × 100,434.38
  4. Step 4: Simplify right side
    384,744.63x = 57,962,397,121.55
  5. Step 5: Solve for x
    x = 57,962,397,121.55/384,744.63
  6. Step 6: Final answer
    x = 150,651.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.