Finding the Fourth Proportional to 476,088.21, 714,128.97 and 121,099.08
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Solution
The fourth proportional to 476,088.21, 714,128.97 and 121,099.08 is: 181,647.77
Step by Step Solution
- Step 1: Write the proportion equation
476,088.21 : 714,128.97 = 121,099.08 : x - Step 2: Convert to fraction form
476,088.21/714,128.97 = 121,099.08/x - Step 3: Cross multiply
476,088.21x = 714,128.97 × 121,099.08 - Step 4: Simplify right side
476,088.21x = 86,480,361,268.35 - Step 5: Solve for x
x = 86,480,361,268.35/476,088.21 - Step 6: Final answer
x = 181,647.77
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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.