Finding the Fourth Proportional to 291,890.81, 402,803.97 and 164,566.55
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Solution
The fourth proportional to 291,890.81, 402,803.97 and 164,566.55 is: 227,098.82
Step by Step Solution
- Step 1: Write the proportion equation
291,890.81 : 402,803.97 = 164,566.55 : x - Step 2: Convert to fraction form
291,890.81/402,803.97 = 164,566.55/x - Step 3: Cross multiply
291,890.81x = 402,803.97 × 164,566.55 - Step 4: Simplify right side
291,890.81x = 66,288,059,669.20 - Step 5: Solve for x
x = 66,288,059,669.20/291,890.81 - Step 6: Final answer
x = 227,098.82
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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.