Home / 470,223.18-705,240.47-230,233.68

Finding the Fourth Proportional to 470,223.18, 705,240.47 and 230,233.68

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Solution

The fourth proportional to 470,223.18, 705,240.47 and 230,233.68 is: 345,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,223.18 : 705,240.47 = 230,233.68 : x
  2. Step 2: Convert to fraction form
    470,223.18/705,240.47 = 230,233.68/x
  3. Step 3: Cross multiply
    470,223.18x = 705,240.47 × 230,233.68
  4. Step 4: Simplify right side
    470,223.18x = 162,370,107,541.86
  5. Step 5: Solve for x
    x = 162,370,107,541.86/470,223.18
  6. Step 6: Final answer
    x = 345,304.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.