Finding the Fourth Proportional to 316,699.52, 437,029.08 and 173,431.88
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Solution
The fourth proportional to 316,699.52, 437,029.08 and 173,431.88 is: 239,327.09
Step by Step Solution
- Step 1: Write the proportion equation
316,699.52 : 437,029.08 = 173,431.88 : x - Step 2: Convert to fraction form
316,699.52/437,029.08 = 173,431.88/x - Step 3: Cross multiply
316,699.52x = 437,029.08 × 173,431.88 - Step 4: Simplify right side
316,699.52x = 75,794,774,959.07 - Step 5: Solve for x
x = 75,794,774,959.07/316,699.52 - Step 6: Final answer
x = 239,327.09
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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.