Finding the Fourth Proportional to 323,257.44, 484,878.48 and 86,599.92
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Solution
The fourth proportional to 323,257.44, 484,878.48 and 86,599.92 is: 129,897.82
Step by Step Solution
- Step 1: Write the proportion equation
323,257.44 : 484,878.48 = 86,599.92 : x - Step 2: Convert to fraction form
323,257.44/484,878.48 = 86,599.92/x - Step 3: Cross multiply
323,257.44x = 484,878.48 × 86,599.92 - Step 4: Simplify right side
323,257.44x = 41,990,437,577.72 - Step 5: Solve for x
x = 41,990,437,577.72/323,257.44 - Step 6: Final answer
x = 129,897.82
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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.