Home / 284,432.55-427,140.90-151,572.30

Finding the Fourth Proportional to 284,432.55, 427,140.90 and 151,572.30

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Solution

The fourth proportional to 284,432.55, 427,140.90 and 151,572.30 is: 227,620.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,432.55 : 427,140.90 = 151,572.30 : x
  2. Step 2: Convert to fraction form
    284,432.55/427,140.90 = 151,572.30/x
  3. Step 3: Cross multiply
    284,432.55x = 427,140.90 × 151,572.30
  4. Step 4: Simplify right side
    284,432.55x = 64,742,728,637.07
  5. Step 5: Solve for x
    x = 64,742,728,637.07/284,432.55
  6. Step 6: Final answer
    x = 227,620.67

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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.