Home / 256,462.08-353,911.04-143,285.60

Finding the Fourth Proportional to 256,462.08, 353,911.04 and 143,285.60

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Solution

The fourth proportional to 256,462.08, 353,911.04 and 143,285.60 is: 197,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,462.08 : 353,911.04 = 143,285.60 : x
  2. Step 2: Convert to fraction form
    256,462.08/353,911.04 = 143,285.60/x
  3. Step 3: Cross multiply
    256,462.08x = 353,911.04 × 143,285.60
  4. Step 4: Simplify right side
    256,462.08x = 50,710,355,713.02
  5. Step 5: Solve for x
    x = 50,710,355,713.02/256,462.08
  6. Step 6: Final answer
    x = 197,730.42

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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.