Finding the Fourth Proportional to 348,532.80, 522,972.16 and 138,166.08
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Solution
The fourth proportional to 348,532.80, 522,972.16 and 138,166.08 is: 207,317.69
Step by Step Solution
- Step 1: Write the proportion equation
348,532.80 : 522,972.16 = 138,166.08 : x - Step 2: Convert to fraction form
348,532.80/522,972.16 = 138,166.08/x - Step 3: Cross multiply
348,532.80x = 522,972.16 × 138,166.08 - Step 4: Simplify right side
348,532.80x = 72,257,013,296.33 - Step 5: Solve for x
x = 72,257,013,296.33/348,532.80 - Step 6: Final answer
x = 207,317.69
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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.