Home / 430,917.60-646,671.64-150,434.84

Finding the Fourth Proportional to 430,917.60, 646,671.64 and 150,434.84

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Solution

The fourth proportional to 430,917.60, 646,671.64 and 150,434.84 is: 225,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,917.60 : 646,671.64 = 150,434.84 : x
  2. Step 2: Convert to fraction form
    430,917.60/646,671.64 = 150,434.84/x
  3. Step 3: Cross multiply
    430,917.60x = 646,671.64 × 150,434.84
  4. Step 4: Simplify right side
    430,917.60x = 97,281,944,695.94
  5. Step 5: Solve for x
    x = 97,281,944,695.94/430,917.60
  6. Step 6: Final answer
    x = 225,755.33

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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.