Home / 349,719.40-525,615.90-304,100.20

Finding the Fourth Proportional to 349,719.40, 525,615.90 and 304,100.20

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Solution

The fourth proportional to 349,719.40, 525,615.90 and 304,100.20 is: 457,051.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,719.40 : 525,615.90 = 304,100.20 : x
  2. Step 2: Convert to fraction form
    349,719.40/525,615.90 = 304,100.20/x
  3. Step 3: Cross multiply
    349,719.40x = 525,615.90 × 304,100.20
  4. Step 4: Simplify right side
    349,719.40x = 159,839,900,313.18
  5. Step 5: Solve for x
    x = 159,839,900,313.18/349,719.40
  6. Step 6: Final answer
    x = 457,051.85

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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.