Home / 349,939.31-525,056.59-208,055.64

Finding the Fourth Proportional to 349,939.31, 525,056.59 and 208,055.64

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Solution

The fourth proportional to 349,939.31, 525,056.59 and 208,055.64 is: 312,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,939.31 : 525,056.59 = 208,055.64 : x
  2. Step 2: Convert to fraction form
    349,939.31/525,056.59 = 208,055.64/x
  3. Step 3: Cross multiply
    349,939.31x = 525,056.59 × 208,055.64
  4. Step 4: Simplify right side
    349,939.31x = 109,240,984,868.67
  5. Step 5: Solve for x
    x = 109,240,984,868.67/349,939.31
  6. Step 6: Final answer
    x = 312,171.23

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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.