Finding the Fourth Proportional to 476,310.15, 657,009.02 and 282,580.70
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Solution
The fourth proportional to 476,310.15, 657,009.02 and 282,580.70 is: 389,783.99
Step by Step Solution
- Step 1: Write the proportion equation
476,310.15 : 657,009.02 = 282,580.70 : x - Step 2: Convert to fraction form
476,310.15/657,009.02 = 282,580.70/x - Step 3: Cross multiply
476,310.15x = 657,009.02 × 282,580.70 - Step 4: Simplify right side
476,310.15x = 185,658,069,007.53 - Step 5: Solve for x
x = 185,658,069,007.53/476,310.15 - Step 6: Final answer
x = 389,783.99
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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.