Home / 218,455.77-301,313.68-145,822.04

Finding the Fourth Proportional to 218,455.77, 301,313.68 and 145,822.04

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Solution

The fourth proportional to 218,455.77, 301,313.68 and 145,822.04 is: 201,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,455.77 : 301,313.68 = 145,822.04 : x
  2. Step 2: Convert to fraction form
    218,455.77/301,313.68 = 145,822.04/x
  3. Step 3: Cross multiply
    218,455.77x = 301,313.68 × 145,822.04
  4. Step 4: Simplify right side
    218,455.77x = 43,938,174,756.31
  5. Step 5: Solve for x
    x = 43,938,174,756.31/218,455.77
  6. Step 6: Final answer
    x = 201,130.76

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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.