Finding the Fourth Proportional to 316,596.36, 436,903.67 and 171,403.67
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Solution
The fourth proportional to 316,596.36, 436,903.67 and 171,403.67 is: 236,537.43
Step by Step Solution
- Step 1: Write the proportion equation
316,596.36 : 436,903.67 = 171,403.67 : x - Step 2: Convert to fraction form
316,596.36/436,903.67 = 171,403.67/x - Step 3: Cross multiply
316,596.36x = 436,903.67 × 171,403.67 - Step 4: Simplify right side
316,596.36x = 74,886,889,432.93 - Step 5: Solve for x
x = 74,886,889,432.93/316,596.36 - Step 6: Final answer
x = 236,537.43
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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.