Home / 470,088.04-648,721.47-255,228.13

Finding the Fourth Proportional to 470,088.04, 648,721.47 and 255,228.13

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Solution

The fourth proportional to 470,088.04, 648,721.47 and 255,228.13 is: 352,214.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,088.04 : 648,721.47 = 255,228.13 : x
  2. Step 2: Convert to fraction form
    470,088.04/648,721.47 = 255,228.13/x
  3. Step 3: Cross multiply
    470,088.04x = 648,721.47 × 255,228.13
  4. Step 4: Simplify right side
    470,088.04x = 165,571,969,446.96
  5. Step 5: Solve for x
    x = 165,571,969,446.96/470,088.04
  6. Step 6: Final answer
    x = 352,214.81

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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.