Finding the Fourth Proportional to 315,404.40, 472,800.42 and 125,809.68
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Solution
The fourth proportional to 315,404.40, 472,800.42 and 125,809.68 is: 188,592.39
Step by Step Solution
- Step 1: Write the proportion equation
315,404.40 : 472,800.42 = 125,809.68 : x - Step 2: Convert to fraction form
315,404.40/472,800.42 = 125,809.68/x - Step 3: Cross multiply
315,404.40x = 472,800.42 × 125,809.68 - Step 4: Simplify right side
315,404.40x = 59,482,869,544.07 - Step 5: Solve for x
x = 59,482,869,544.07/315,404.40 - Step 6: Final answer
x = 188,592.39
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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.