Finding the Fourth Proportional to 319,211.08, 440,511.18 and 175,973.56
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Solution
The fourth proportional to 319,211.08, 440,511.18 and 175,973.56 is: 242,843.45
Step by Step Solution
- Step 1: Write the proportion equation
319,211.08 : 440,511.18 = 175,973.56 : x - Step 2: Convert to fraction form
319,211.08/440,511.18 = 175,973.56/x - Step 3: Cross multiply
319,211.08x = 440,511.18 × 175,973.56 - Step 4: Simplify right side
319,211.08x = 77,518,320,564.40 - Step 5: Solve for x
x = 77,518,320,564.40/319,211.08 - Step 6: Final answer
x = 242,843.45
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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.