Home / 437,903.20-657,027.60-171,618.40

Finding the Fourth Proportional to 437,903.20, 657,027.60 and 171,618.40

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Solution

The fourth proportional to 437,903.20, 657,027.60 and 171,618.40 is: 257,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,903.20 : 657,027.60 = 171,618.40 : x
  2. Step 2: Convert to fraction form
    437,903.20/657,027.60 = 171,618.40/x
  3. Step 3: Cross multiply
    437,903.20x = 657,027.60 × 171,618.40
  4. Step 4: Simplify right side
    437,903.20x = 112,758,025,467.84
  5. Step 5: Solve for x
    x = 112,758,025,467.84/437,903.20
  6. Step 6: Final answer
    x = 257,495.32

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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.