Home / 470,165.40-648,826.20-255,303.72

Finding the Fourth Proportional to 470,165.40, 648,826.20 and 255,303.72

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Solution

The fourth proportional to 470,165.40, 648,826.20 and 255,303.72 is: 352,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,165.40 : 648,826.20 = 255,303.72 : x
  2. Step 2: Convert to fraction form
    470,165.40/648,826.20 = 255,303.72/x
  3. Step 3: Cross multiply
    470,165.40x = 648,826.20 × 255,303.72
  4. Step 4: Simplify right side
    470,165.40x = 165,647,742,493.46
  5. Step 5: Solve for x
    x = 165,647,742,493.46/470,165.40
  6. Step 6: Final answer
    x = 352,318.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.