Home / 489,896.51-734,848.40-134,930.00

Finding the Fourth Proportional to 489,896.51, 734,848.40 and 134,930.00

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Solution

The fourth proportional to 489,896.51, 734,848.40 and 134,930.00 is: 202,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,896.51 : 734,848.40 = 134,930.00 : x
  2. Step 2: Convert to fraction form
    489,896.51/734,848.40 = 134,930.00/x
  3. Step 3: Cross multiply
    489,896.51x = 734,848.40 × 134,930.00
  4. Step 4: Simplify right side
    489,896.51x = 99,153,096,786.45
  5. Step 5: Solve for x
    x = 99,153,096,786.45/489,896.51
  6. Step 6: Final answer
    x = 202,396.01

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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.