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Finding the Fourth Proportional to 254,208.17, 350,807.14 and 139,487.57

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Solution

The fourth proportional to 254,208.17, 350,807.14 and 139,487.57 is: 192,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,208.17 : 350,807.14 = 139,487.57 : x
  2. Step 2: Convert to fraction form
    254,208.17/350,807.14 = 139,487.57/x
  3. Step 3: Cross multiply
    254,208.17x = 350,807.14 × 139,487.57
  4. Step 4: Simplify right side
    254,208.17x = 48,933,233,045.78
  5. Step 5: Solve for x
    x = 48,933,233,045.78/254,208.17
  6. Step 6: Final answer
    x = 192,492.77

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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.