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Finding the Fourth Proportional to 573,326.07, 859,989.29 and 168,518.36

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Solution

The fourth proportional to 573,326.07, 859,989.29 and 168,518.36 is: 252,777.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,326.07 : 859,989.29 = 168,518.36 : x
  2. Step 2: Convert to fraction form
    573,326.07/859,989.29 = 168,518.36/x
  3. Step 3: Cross multiply
    573,326.07x = 859,989.29 × 168,518.36
  4. Step 4: Simplify right side
    573,326.07x = 144,923,983,925.77
  5. Step 5: Solve for x
    x = 144,923,983,925.77/573,326.07
  6. Step 6: Final answer
    x = 252,777.60

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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.