Finding the Fourth Proportional to 371,416.68, 512,567.28 and 210,268.44
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Solution
The fourth proportional to 371,416.68, 512,567.28 and 210,268.44 is: 290,177.39
Step by Step Solution
- Step 1: Write the proportion equation
371,416.68 : 512,567.28 = 210,268.44 : x - Step 2: Convert to fraction form
371,416.68/512,567.28 = 210,268.44/x - Step 3: Cross multiply
371,416.68x = 512,567.28 × 210,268.44 - Step 4: Simplify right side
371,416.68x = 107,776,722,360.64 - Step 5: Solve for x
x = 107,776,722,360.64/371,416.68 - Step 6: Final answer
x = 290,177.39
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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.