Finding the Fourth Proportional to 476,091.21, 714,133.47 and 121,102.08
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Solution
The fourth proportional to 476,091.21, 714,133.47 and 121,102.08 is: 181,652.27
Step by Step Solution
- Step 1: Write the proportion equation
476,091.21 : 714,133.47 = 121,102.08 : x - Step 2: Convert to fraction form
476,091.21/714,133.47 = 121,102.08/x - Step 3: Cross multiply
476,091.21x = 714,133.47 × 121,102.08 - Step 4: Simplify right side
476,091.21x = 86,483,048,614.62 - Step 5: Solve for x
x = 86,483,048,614.62/476,091.21 - Step 6: Final answer
x = 181,652.27
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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.