Home / 470,048.04-648,656.24-255,186.23

Finding the Fourth Proportional to 470,048.04, 648,656.24 and 255,186.23

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Solution

The fourth proportional to 470,048.04, 648,656.24 and 255,186.23 is: 352,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,048.04 : 648,656.24 = 255,186.23 : x
  2. Step 2: Convert to fraction form
    470,048.04/648,656.24 = 255,186.23/x
  3. Step 3: Cross multiply
    470,048.04x = 648,656.24 × 255,186.23
  4. Step 4: Simplify right side
    470,048.04x = 165,528,135,932.36
  5. Step 5: Solve for x
    x = 165,528,135,932.36/470,048.04
  6. Step 6: Final answer
    x = 352,151.53

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1.5x scale

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.