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Finding the Fourth Proportional to 319,630.64, 441,256.12 and 233,492.90

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Solution

The fourth proportional to 319,630.64, 441,256.12 and 233,492.90 is: 322,341.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,630.64 : 441,256.12 = 233,492.90 : x
  2. Step 2: Convert to fraction form
    319,630.64/441,256.12 = 233,492.90/x
  3. Step 3: Cross multiply
    319,630.64x = 441,256.12 × 233,492.90
  4. Step 4: Simplify right side
    319,630.64x = 103,030,168,311.54
  5. Step 5: Solve for x
    x = 103,030,168,311.54/319,630.64
  6. Step 6: Final answer
    x = 322,341.34

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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.