Finding the Fourth Proportional to 159,329.60, 239,027.20 and 133,216.80
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Solution
The fourth proportional to 159,329.60, 239,027.20 and 133,216.80 is: 199,852.62
Step by Step Solution
- Step 1: Write the proportion equation
159,329.60 : 239,027.20 = 133,216.80 : x - Step 2: Convert to fraction form
159,329.60/239,027.20 = 133,216.80/x - Step 3: Cross multiply
159,329.60x = 239,027.20 × 133,216.80 - Step 4: Simplify right side
159,329.60x = 31,842,438,696.96 - Step 5: Solve for x
x = 31,842,438,696.96/159,329.60 - Step 6: Final answer
x = 199,852.62
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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.