Home / 470,399.81-649,148.18-255,541.43

Finding the Fourth Proportional to 470,399.81, 649,148.18 and 255,541.43

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Solution

The fourth proportional to 470,399.81, 649,148.18 and 255,541.43 is: 352,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,399.81 : 649,148.18 = 255,541.43 : x
  2. Step 2: Convert to fraction form
    470,399.81/649,148.18 = 255,541.43/x
  3. Step 3: Cross multiply
    470,399.81x = 649,148.18 × 255,541.43
  4. Step 4: Simplify right side
    470,399.81x = 165,884,254,544.26
  5. Step 5: Solve for x
    x = 165,884,254,544.26/470,399.81
  6. Step 6: Final answer
    x = 352,645.25

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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.