Home / 384,563.42-530,247.36-262,128.29

Finding the Fourth Proportional to 384,563.42, 530,247.36 and 262,128.29

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Solution

The fourth proportional to 384,563.42, 530,247.36 and 262,128.29 is: 361,430.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,563.42 : 530,247.36 = 262,128.29 : x
  2. Step 2: Convert to fraction form
    384,563.42/530,247.36 = 262,128.29/x
  3. Step 3: Cross multiply
    384,563.42x = 530,247.36 × 262,128.29
  4. Step 4: Simplify right side
    384,563.42x = 138,992,831,102.58
  5. Step 5: Solve for x
    x = 138,992,831,102.58/384,563.42
  6. Step 6: Final answer
    x = 361,430.20

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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.