Home / 385,219.60-578,002.20-174,749.20

Finding the Fourth Proportional to 385,219.60, 578,002.20 and 174,749.20

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Solution

The fourth proportional to 385,219.60, 578,002.20 and 174,749.20 is: 262,202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,219.60 : 578,002.20 = 174,749.20 : x
  2. Step 2: Convert to fraction form
    385,219.60/578,002.20 = 174,749.20/x
  3. Step 3: Cross multiply
    385,219.60x = 578,002.20 × 174,749.20
  4. Step 4: Simplify right side
    385,219.60x = 101,005,422,048.24
  5. Step 5: Solve for x
    x = 101,005,422,048.24/385,219.60
  6. Step 6: Final answer
    x = 262,202.19

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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.