Home / 380,274.81-524,779.39-208,203.93

Finding the Fourth Proportional to 380,274.81, 524,779.39 and 208,203.93

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Solution

The fourth proportional to 380,274.81, 524,779.39 and 208,203.93 is: 287,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,274.81 : 524,779.39 = 208,203.93 : x
  2. Step 2: Convert to fraction form
    380,274.81/524,779.39 = 208,203.93/x
  3. Step 3: Cross multiply
    380,274.81x = 524,779.39 × 208,203.93
  4. Step 4: Simplify right side
    380,274.81x = 109,261,131,381.00
  5. Step 5: Solve for x
    x = 109,261,131,381.00/380,274.81
  6. Step 6: Final answer
    x = 287,321.51

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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.