Home / 349,938.31-525,055.09-208,054.64

Finding the Fourth Proportional to 349,938.31, 525,055.09 and 208,054.64

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Solution

The fourth proportional to 349,938.31, 525,055.09 and 208,054.64 is: 312,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,938.31 : 525,055.09 = 208,054.64 : x
  2. Step 2: Convert to fraction form
    349,938.31/525,055.09 = 208,054.64/x
  3. Step 3: Cross multiply
    349,938.31x = 525,055.09 × 208,054.64
  4. Step 4: Simplify right side
    349,938.31x = 109,240,147,730.12
  5. Step 5: Solve for x
    x = 109,240,147,730.12/349,938.31
  6. Step 6: Final answer
    x = 312,169.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.