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Finding the Fourth Proportional to 568,326.32, 852,622.80 and 168,970.40

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Solution

The fourth proportional to 568,326.32, 852,622.80 and 168,970.40 is: 253,495.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,326.32 : 852,622.80 = 168,970.40 : x
  2. Step 2: Convert to fraction form
    568,326.32/852,622.80 = 168,970.40/x
  3. Step 3: Cross multiply
    568,326.32x = 852,622.80 × 168,970.40
  4. Step 4: Simplify right side
    568,326.32x = 144,068,015,565.12
  5. Step 5: Solve for x
    x = 144,068,015,565.12/568,326.32
  6. Step 6: Final answer
    x = 253,495.24

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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.