Finding the Fourth Proportional to 471,712.51, 707,574.93 and 134,764.15
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Solution
The fourth proportional to 471,712.51, 707,574.93 and 134,764.15 is: 202,147.99
Step by Step Solution
- Step 1: Write the proportion equation
471,712.51 : 707,574.93 = 134,764.15 : x - Step 2: Convert to fraction form
471,712.51/707,574.93 = 134,764.15/x - Step 3: Cross multiply
471,712.51x = 707,574.93 × 134,764.15 - Step 4: Simplify right side
471,712.51x = 95,355,734,002.76 - Step 5: Solve for x
x = 95,355,734,002.76/471,712.51 - Step 6: Final answer
x = 202,147.99
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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.