Finding the Fourth Proportional to 432,316.52, 648,476.68 and 179,596.80
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Solution
The fourth proportional to 432,316.52, 648,476.68 and 179,596.80 is: 269,395.99
Step by Step Solution
- Step 1: Write the proportion equation
432,316.52 : 648,476.68 = 179,596.80 : x - Step 2: Convert to fraction form
432,316.52/648,476.68 = 179,596.80/x - Step 3: Cross multiply
432,316.52x = 648,476.68 × 179,596.80 - Step 4: Simplify right side
432,316.52x = 116,464,336,153.63 - Step 5: Solve for x
x = 116,464,336,153.63/432,316.52 - Step 6: Final answer
x = 269,395.99
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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.