Finding the Fourth Proportional to 230,572,134.40, 345,858,201.60 and 208,331,328.55
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Solution
The fourth proportional to 230,572,134.40, 345,858,201.60 and 208,331,328.55 is: 312,496,992.83
Step by Step Solution
- Step 1: Write the proportion equation
230,572,134.40 : 345,858,201.60 = 208,331,328.55 : x - Step 2: Convert to fraction form
230,572,134.40/345,858,201.60 = 208,331,328.55/x - Step 3: Cross multiply
230,572,134.40x = 345,858,201.60 × 208,331,328.55 - Step 4: Simplify right side
230,572,134.40x = 72,053,098,629,241,744 - Step 5: Solve for x
x = 72,053,098,629,241,744/230,572,134.40 - Step 6: Final answer
x = 312,496,992.83
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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.