Finding the Fourth Proportional to 476,385.11, 657,424.62 and 269,637.07
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Solution
The fourth proportional to 476,385.11, 657,424.62 and 269,637.07 is: 372,106.60
Step by Step Solution
- Step 1: Write the proportion equation
476,385.11 : 657,424.62 = 269,637.07 : x - Step 2: Convert to fraction form
476,385.11/657,424.62 = 269,637.07/x - Step 3: Cross multiply
476,385.11x = 657,424.62 × 269,637.07 - Step 4: Simplify right side
476,385.11x = 177,266,045,627.96 - Step 5: Solve for x
x = 177,266,045,627.96/476,385.11 - Step 6: Final answer
x = 372,106.60
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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.