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Finding the Fourth Proportional to 369,048.96, 509,182.20 and 207,847.62

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Solution

The fourth proportional to 369,048.96, 509,182.20 and 207,847.62 is: 286,770.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,048.96 : 509,182.20 = 207,847.62 : x
  2. Step 2: Convert to fraction form
    369,048.96/509,182.20 = 207,847.62/x
  3. Step 3: Cross multiply
    369,048.96x = 509,182.20 × 207,847.62
  4. Step 4: Simplify right side
    369,048.96x = 105,832,308,416.36
  5. Step 5: Solve for x
    x = 105,832,308,416.36/369,048.96
  6. Step 6: Final answer
    x = 286,770.37

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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.