Finding the Fourth Proportional to 608,402.21, 912,533.61 and 159,166.44
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Solution
The fourth proportional to 608,402.21, 912,533.61 and 159,166.44 is: 238,731.43
Step by Step Solution
- Step 1: Write the proportion equation
608,402.21 : 912,533.61 = 159,166.44 : x - Step 2: Convert to fraction form
608,402.21/912,533.61 = 159,166.44/x - Step 3: Cross multiply
608,402.21x = 912,533.61 × 159,166.44 - Step 4: Simplify right side
608,402.21x = 145,244,728,575.94 - Step 5: Solve for x
x = 145,244,728,575.94/608,402.21 - Step 6: Final answer
x = 238,731.43
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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.