Home / 399,260.36-598,809.56-146,454.80

Finding the Fourth Proportional to 399,260.36, 598,809.56 and 146,454.80

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Solution

The fourth proportional to 399,260.36, 598,809.56 and 146,454.80 is: 219,652.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,260.36 : 598,809.56 = 146,454.80 : x
  2. Step 2: Convert to fraction form
    399,260.36/598,809.56 = 146,454.80/x
  3. Step 3: Cross multiply
    399,260.36x = 598,809.56 × 146,454.80
  4. Step 4: Simplify right side
    399,260.36x = 87,698,534,347.89
  5. Step 5: Solve for x
    x = 87,698,534,347.89/399,260.36
  6. Step 6: Final answer
    x = 219,652.50

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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.