Home / 380,275.19-524,779.91-208,204.31

Finding the Fourth Proportional to 380,275.19, 524,779.91 and 208,204.31

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Solution

The fourth proportional to 380,275.19, 524,779.91 and 208,204.31 is: 287,322.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,275.19 : 524,779.91 = 208,204.31 : x
  2. Step 2: Convert to fraction form
    380,275.19/524,779.91 = 208,204.31/x
  3. Step 3: Cross multiply
    380,275.19x = 524,779.91 × 208,204.31
  4. Step 4: Simplify right side
    380,275.19x = 109,261,435,398.49
  5. Step 5: Solve for x
    x = 109,261,435,398.49/380,275.19
  6. Step 6: Final answer
    x = 287,322.02

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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.