Home / 470,272.91-648,981.29-255,417.17

Finding the Fourth Proportional to 470,272.91, 648,981.29 and 255,417.17

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Solution

The fourth proportional to 470,272.91, 648,981.29 and 255,417.17 is: 352,478.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,272.91 : 648,981.29 = 255,417.17 : x
  2. Step 2: Convert to fraction form
    470,272.91/648,981.29 = 255,417.17/x
  3. Step 3: Cross multiply
    470,272.91x = 648,981.29 × 255,417.17
  4. Step 4: Simplify right side
    470,272.91x = 165,760,961,868.39
  5. Step 5: Solve for x
    x = 165,760,961,868.39/470,272.91
  6. Step 6: Final answer
    x = 352,478.23

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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.