Finding the Fourth Proportional to 434,669.64, 599,843.68 and 243,683.08
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Solution
The fourth proportional to 434,669.64, 599,843.68 and 243,683.08 is: 336,282.41
Step by Step Solution
- Step 1: Write the proportion equation
434,669.64 : 599,843.68 = 243,683.08 : x - Step 2: Convert to fraction form
434,669.64/599,843.68 = 243,683.08/x - Step 3: Cross multiply
434,669.64x = 599,843.68 × 243,683.08 - Step 4: Simplify right side
434,669.64x = 146,171,755,460.93 - Step 5: Solve for x
x = 146,171,755,460.93/434,669.64 - Step 6: Final answer
x = 336,282.41
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.