Home / 286,766.42-430,148.19-73,533.38

Finding the Fourth Proportional to 286,766.42, 430,148.19 and 73,533.38

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Solution

The fourth proportional to 286,766.42, 430,148.19 and 73,533.38 is: 110,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,766.42 : 430,148.19 = 73,533.38 : x
  2. Step 2: Convert to fraction form
    286,766.42/430,148.19 = 73,533.38/x
  3. Step 3: Cross multiply
    286,766.42x = 430,148.19 × 73,533.38
  4. Step 4: Simplify right side
    286,766.42x = 31,630,250,311.58
  5. Step 5: Solve for x
    x = 31,630,250,311.58/286,766.42
  6. Step 6: Final answer
    x = 110,299.70

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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.