Home / 345,328.98-517,992.67-108,692.34

Finding the Fourth Proportional to 345,328.98, 517,992.67 and 108,692.34

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Solution

The fourth proportional to 345,328.98, 517,992.67 and 108,692.34 is: 163,038.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,328.98 : 517,992.67 = 108,692.34 : x
  2. Step 2: Convert to fraction form
    345,328.98/517,992.67 = 108,692.34/x
  3. Step 3: Cross multiply
    345,328.98x = 517,992.67 × 108,692.34
  4. Step 4: Simplify right side
    345,328.98x = 56,301,835,405.15
  5. Step 5: Solve for x
    x = 56,301,835,405.15/345,328.98
  6. Step 6: Final answer
    x = 163,038.26

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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.