Finding the Fourth Proportional to 572,638.05, 858,815.12 and 193,550.36
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Solution
The fourth proportional to 572,638.05, 858,815.12 and 193,550.36 is: 290,277.55
Step by Step Solution
- Step 1: Write the proportion equation
572,638.05 : 858,815.12 = 193,550.36 : x - Step 2: Convert to fraction form
572,638.05/858,815.12 = 193,550.36/x - Step 3: Cross multiply
572,638.05x = 858,815.12 × 193,550.36 - Step 4: Simplify right side
572,638.05x = 166,223,970,387.62 - Step 5: Solve for x
x = 166,223,970,387.62/572,638.05 - Step 6: Final answer
x = 290,277.55
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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.