Home / 446,225.55-669,337.71-130,682.45

Finding the Fourth Proportional to 446,225.55, 669,337.71 and 130,682.45

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Solution

The fourth proportional to 446,225.55, 669,337.71 and 130,682.45 is: 196,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,225.55 : 669,337.71 = 130,682.45 : x
  2. Step 2: Convert to fraction form
    446,225.55/669,337.71 = 130,682.45/x
  3. Step 3: Cross multiply
    446,225.55x = 669,337.71 × 130,682.45
  4. Step 4: Simplify right side
    446,225.55x = 87,470,691,820.19
  5. Step 5: Solve for x
    x = 87,470,691,820.19/446,225.55
  6. Step 6: Final answer
    x = 196,023.49

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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.