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Finding the Fourth Proportional to 254,225.98, 350,830.86 and 139,506.54

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Solution

The fourth proportional to 254,225.98, 350,830.86 and 139,506.54 is: 192,518.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,225.98 : 350,830.86 = 139,506.54 : x
  2. Step 2: Convert to fraction form
    254,225.98/350,830.86 = 139,506.54/x
  3. Step 3: Cross multiply
    254,225.98x = 350,830.86 × 139,506.54
  4. Step 4: Simplify right side
    254,225.98x = 48,943,199,403.82
  5. Step 5: Solve for x
    x = 48,943,199,403.82/254,225.98
  6. Step 6: Final answer
    x = 192,518.48

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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.