Home / 349,848.60-524,811.06-128,232.60

Finding the Fourth Proportional to 349,848.60, 524,811.06 and 128,232.60

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Solution

The fourth proportional to 349,848.60, 524,811.06 and 128,232.60 is: 192,362.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,848.60 : 524,811.06 = 128,232.60 : x
  2. Step 2: Convert to fraction form
    349,848.60/524,811.06 = 128,232.60/x
  3. Step 3: Cross multiply
    349,848.60x = 524,811.06 × 128,232.60
  4. Step 4: Simplify right side
    349,848.60x = 67,297,886,732.56
  5. Step 5: Solve for x
    x = 67,297,886,732.56/349,848.60
  6. Step 6: Final answer
    x = 192,362.89

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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.