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Finding the Fourth Proportional to 473,570.21, 709,912.44 and 173,970.35

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Solution

The fourth proportional to 473,570.21, 709,912.44 and 173,970.35 is: 260,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,570.21 : 709,912.44 = 173,970.35 : x
  2. Step 2: Convert to fraction form
    473,570.21/709,912.44 = 173,970.35/x
  3. Step 3: Cross multiply
    473,570.21x = 709,912.44 × 173,970.35
  4. Step 4: Simplify right side
    473,570.21x = 123,503,715,656.15
  5. Step 5: Solve for x
    x = 123,503,715,656.15/473,570.21
  6. Step 6: Final answer
    x = 260,792.83

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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.