Finding the Fourth Proportional to 302,608.08, 417,621.35 and 216,575.14
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Solution
The fourth proportional to 302,608.08, 417,621.35 and 216,575.14 is: 298,889.58
Step by Step Solution
- Step 1: Write the proportion equation
302,608.08 : 417,621.35 = 216,575.14 : x - Step 2: Convert to fraction form
302,608.08/417,621.35 = 216,575.14/x - Step 3: Cross multiply
302,608.08x = 417,621.35 × 216,575.14 - Step 4: Simplify right side
302,608.08x = 90,446,402,343.24 - Step 5: Solve for x
x = 90,446,402,343.24/302,608.08 - Step 6: Final answer
x = 298,889.58
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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.