Finding the Fourth Proportional to 365,307.84, 548,006.04 and 128,602.08
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Solution
The fourth proportional to 365,307.84, 548,006.04 and 128,602.08 is: 192,918.71
Step by Step Solution
- Step 1: Write the proportion equation
365,307.84 : 548,006.04 = 128,602.08 : x - Step 2: Convert to fraction form
365,307.84/548,006.04 = 128,602.08/x - Step 3: Cross multiply
365,307.84x = 548,006.04 × 128,602.08 - Step 4: Simplify right side
365,307.84x = 70,474,716,596.56 - Step 5: Solve for x
x = 70,474,716,596.56/365,307.84 - Step 6: Final answer
x = 192,918.71
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1.5x scale
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.