Home / 380,562.30-525,153.45-208,445.94

Finding the Fourth Proportional to 380,562.30, 525,153.45 and 208,445.94

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Solution

The fourth proportional to 380,562.30, 525,153.45 and 208,445.94 is: 287,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,562.30 : 525,153.45 = 208,445.94 : x
  2. Step 2: Convert to fraction form
    380,562.30/525,153.45 = 208,445.94/x
  3. Step 3: Cross multiply
    380,562.30x = 525,153.45 × 208,445.94
  4. Step 4: Simplify right side
    380,562.30x = 109,466,104,529.49
  5. Step 5: Solve for x
    x = 109,466,104,529.49/380,562.30
  6. Step 6: Final answer
    x = 287,643.06

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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.