Finding the Fourth Proportional to 415,007.62, 572,712.46 and 233,722.63
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Solution
The fourth proportional to 415,007.62, 572,712.46 and 233,722.63 is: 322,538.33
Step by Step Solution
- Step 1: Write the proportion equation
415,007.62 : 572,712.46 = 233,722.63 : x - Step 2: Convert to fraction form
415,007.62/572,712.46 = 233,722.63/x - Step 3: Cross multiply
415,007.62x = 572,712.46 × 233,722.63 - Step 4: Simplify right side
415,007.62x = 133,855,862,516.55 - Step 5: Solve for x
x = 133,855,862,516.55/415,007.62 - Step 6: Final answer
x = 322,538.33
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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.