Home / 401,137.20-601,511.40-223,455.60

Finding the Fourth Proportional to 401,137.20, 601,511.40 and 223,455.60

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Solution

The fourth proportional to 401,137.20, 601,511.40 and 223,455.60 is: 335,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,137.20 : 601,511.40 = 223,455.60 : x
  2. Step 2: Convert to fraction form
    401,137.20/601,511.40 = 223,455.60/x
  3. Step 3: Cross multiply
    401,137.20x = 601,511.40 × 223,455.60
  4. Step 4: Simplify right side
    401,137.20x = 134,411,090,793.84
  5. Step 5: Solve for x
    x = 134,411,090,793.84/401,137.20
  6. Step 6: Final answer
    x = 335,075.11

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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.