Home / 349,721.40-525,618.90-304,102.20

Finding the Fourth Proportional to 349,721.40, 525,618.90 and 304,102.20

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Solution

The fourth proportional to 349,721.40, 525,618.90 and 304,102.20 is: 457,054.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,721.40 : 525,618.90 = 304,102.20 : x
  2. Step 2: Convert to fraction form
    349,721.40/525,618.90 = 304,102.20/x
  3. Step 3: Cross multiply
    349,721.40x = 525,618.90 × 304,102.20
  4. Step 4: Simplify right side
    349,721.40x = 159,841,863,851.58
  5. Step 5: Solve for x
    x = 159,841,863,851.58/349,721.40
  6. Step 6: Final answer
    x = 457,054.86

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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.