Finding the Fourth Proportional to 229,349.21, 316,548.47 and 132,557.18
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Solution
The fourth proportional to 229,349.21, 316,548.47 and 132,557.18 is: 182,955.82
Step by Step Solution
- Step 1: Write the proportion equation
229,349.21 : 316,548.47 = 132,557.18 : x - Step 2: Convert to fraction form
229,349.21/316,548.47 = 132,557.18/x - Step 3: Cross multiply
229,349.21x = 316,548.47 × 132,557.18 - Step 4: Simplify right side
229,349.21x = 41,960,771,265.17 - Step 5: Solve for x
x = 41,960,771,265.17/229,349.21 - Step 6: Final answer
x = 182,955.82
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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.