Home / 289,261.20-434,280.60-184,285.20

Finding the Fourth Proportional to 289,261.20, 434,280.60 and 184,285.20

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Solution

The fourth proportional to 289,261.20, 434,280.60 and 184,285.20 is: 276,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,261.20 : 434,280.60 = 184,285.20 : x
  2. Step 2: Convert to fraction form
    289,261.20/434,280.60 = 184,285.20/x
  3. Step 3: Cross multiply
    289,261.20x = 434,280.60 × 184,285.20
  4. Step 4: Simplify right side
    289,261.20x = 80,031,487,227.12
  5. Step 5: Solve for x
    x = 80,031,487,227.12/289,261.20
  6. Step 6: Final answer
    x = 276,675.50

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1.5x scale

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.