Finding the Fourth Proportional to 354,122.08, 531,026.84 and 101,345.01
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Solution
The fourth proportional to 354,122.08, 531,026.84 and 101,345.01 is: 151,972.79
Step by Step Solution
- Step 1: Write the proportion equation
354,122.08 : 531,026.84 = 101,345.01 : x - Step 2: Convert to fraction form
354,122.08/531,026.84 = 101,345.01/x - Step 3: Cross multiply
354,122.08x = 531,026.84 × 101,345.01 - Step 4: Simplify right side
354,122.08x = 53,816,919,903.34 - Step 5: Solve for x
x = 53,816,919,903.34/354,122.08 - Step 6: Final answer
x = 151,972.79
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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.