Finding the Fourth Proportional to 421,952.68, 632,927.58 and 172,634.68
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Solution
The fourth proportional to 421,952.68, 632,927.58 and 172,634.68 is: 258,951.43
Step by Step Solution
- Step 1: Write the proportion equation
421,952.68 : 632,927.58 = 172,634.68 : x - Step 2: Convert to fraction form
421,952.68/632,927.58 = 172,634.68/x - Step 3: Cross multiply
421,952.68x = 632,927.58 × 172,634.68 - Step 4: Simplify right side
421,952.68x = 109,265,250,236.47 - Step 5: Solve for x
x = 109,265,250,236.47/421,952.68 - Step 6: Final answer
x = 258,951.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.