Home / 470,230.74-648,918.27-255,370.86

Finding the Fourth Proportional to 470,230.74, 648,918.27 and 255,370.86

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Solution

The fourth proportional to 470,230.74, 648,918.27 and 255,370.86 is: 352,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,230.74 : 648,918.27 = 255,370.86 : x
  2. Step 2: Convert to fraction form
    470,230.74/648,918.27 = 255,370.86/x
  3. Step 3: Cross multiply
    470,230.74x = 648,918.27 × 255,370.86
  4. Step 4: Simplify right side
    470,230.74x = 165,714,816,679.61
  5. Step 5: Solve for x
    x = 165,714,816,679.61/470,230.74
  6. Step 6: Final answer
    x = 352,411.70

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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.