Home / 275,933.18-380,925.57-180,585.51

Finding the Fourth Proportional to 275,933.18, 380,925.57 and 180,585.51

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Solution

The fourth proportional to 275,933.18, 380,925.57 and 180,585.51 is: 249,298.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,933.18 : 380,925.57 = 180,585.51 : x
  2. Step 2: Convert to fraction form
    275,933.18/380,925.57 = 180,585.51/x
  3. Step 3: Cross multiply
    275,933.18x = 380,925.57 × 180,585.51
  4. Step 4: Simplify right side
    275,933.18x = 68,789,638,330.49
  5. Step 5: Solve for x
    x = 68,789,638,330.49/275,933.18
  6. Step 6: Final answer
    x = 249,298.18

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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.