Home / 374,840.04-517,228.26-223,905

Finding the Fourth Proportional to 374,840.04, 517,228.26 and 223,905

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Solution

The fourth proportional to 374,840.04, 517,228.26 and 223,905 is: 308,958.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,840.04 : 517,228.26 = 223,905 : x
  2. Step 2: Convert to fraction form
    374,840.04/517,228.26 = 223,905/x
  3. Step 3: Cross multiply
    374,840.04x = 517,228.26 × 223,905
  4. Step 4: Simplify right side
    374,840.04x = 115,809,993,555.30
  5. Step 5: Solve for x
    x = 115,809,993,555.30/374,840.04
  6. Step 6: Final answer
    x = 308,958.44

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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.