Finding the Fourth Proportional to 432,844.48, 596,611.68 and 289,552.96
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Solution
The fourth proportional to 432,844.48, 596,611.68 and 289,552.96 is: 399,105.65
Step by Step Solution
- Step 1: Write the proportion equation
432,844.48 : 596,611.68 = 289,552.96 : x - Step 2: Convert to fraction form
432,844.48/596,611.68 = 289,552.96/x - Step 3: Cross multiply
432,844.48x = 596,611.68 × 289,552.96 - Step 4: Simplify right side
432,844.48x = 172,750,677,914.57 - Step 5: Solve for x
x = 172,750,677,914.57/432,844.48 - Step 6: Final answer
x = 399,105.65
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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.