Finding the Fourth Proportional to 365,317.84, 548,021.04 and 128,612.08
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Solution
The fourth proportional to 365,317.84, 548,021.04 and 128,612.08 is: 192,933.71
Step by Step Solution
- Step 1: Write the proportion equation
365,317.84 : 548,021.04 = 128,612.08 : x - Step 2: Convert to fraction form
365,317.84/548,021.04 = 128,612.08/x - Step 3: Cross multiply
365,317.84x = 548,021.04 × 128,612.08 - Step 4: Simplify right side
365,317.84x = 70,482,125,838.16 - Step 5: Solve for x
x = 70,482,125,838.16/365,317.84 - Step 6: Final answer
x = 192,933.71
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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.