Finding the Fourth Proportional to 302,390.82, 417,316.50 and 173,350.62
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Solution
The fourth proportional to 302,390.82, 417,316.50 and 173,350.62 is: 239,233.70
Step by Step Solution
- Step 1: Write the proportion equation
302,390.82 : 417,316.50 = 173,350.62 : x - Step 2: Convert to fraction form
302,390.82/417,316.50 = 173,350.62/x - Step 3: Cross multiply
302,390.82x = 417,316.50 × 173,350.62 - Step 4: Simplify right side
302,390.82x = 72,342,074,011.23 - Step 5: Solve for x
x = 72,342,074,011.23/302,390.82 - Step 6: Final answer
x = 239,233.70
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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.