Finding the Fourth Proportional to 319,991.02, 441,579.14 and 176,747.98
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Solution
The fourth proportional to 319,991.02, 441,579.14 and 176,747.98 is: 243,907.54
Step by Step Solution
- Step 1: Write the proportion equation
319,991.02 : 441,579.14 = 176,747.98 : x - Step 2: Convert to fraction form
319,991.02/441,579.14 = 176,747.98/x - Step 3: Cross multiply
319,991.02x = 441,579.14 × 176,747.98 - Step 4: Simplify right side
319,991.02x = 78,048,221,005.14 - Step 5: Solve for x
x = 78,048,221,005.14/319,991.02 - Step 6: Final answer
x = 243,907.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.