Finding the Fourth Proportional to 302,782.14, 417,837.35 and 166,812.91
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Solution
The fourth proportional to 302,782.14, 417,837.35 and 166,812.91 is: 230,200.71
Step by Step Solution
- Step 1: Write the proportion equation
302,782.14 : 417,837.35 = 166,812.91 : x - Step 2: Convert to fraction form
302,782.14/417,837.35 = 166,812.91/x - Step 3: Cross multiply
302,782.14x = 417,837.35 × 166,812.91 - Step 4: Simplify right side
302,782.14x = 69,700,664,260.19 - Step 5: Solve for x
x = 69,700,664,260.19/302,782.14 - Step 6: Final answer
x = 230,200.71
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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.