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Finding the Fourth Proportional to 342,830.88, 514,351.62 and 153,450.86

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Solution

The fourth proportional to 342,830.88, 514,351.62 and 153,450.86 is: 230,223.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,830.88 : 514,351.62 = 153,450.86 : x
  2. Step 2: Convert to fraction form
    342,830.88/514,351.62 = 153,450.86/x
  3. Step 3: Cross multiply
    342,830.88x = 514,351.62 × 153,450.86
  4. Step 4: Simplify right side
    342,830.88x = 78,927,695,859.64
  5. Step 5: Solve for x
    x = 78,927,695,859.64/342,830.88
  6. Step 6: Final answer
    x = 230,223.41

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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.