Finding the Fourth Proportional to 357,129.05, 492,841.80 and 195,994.53
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Solution
The fourth proportional to 357,129.05, 492,841.80 and 195,994.53 is: 270,474.49
Step by Step Solution
- Step 1: Write the proportion equation
357,129.05 : 492,841.80 = 195,994.53 : x - Step 2: Convert to fraction form
357,129.05/492,841.80 = 195,994.53/x - Step 3: Cross multiply
357,129.05x = 492,841.80 × 195,994.53 - Step 4: Simplify right side
357,129.05x = 96,594,296,955.35 - Step 5: Solve for x
x = 96,594,296,955.35/357,129.05 - Step 6: Final answer
x = 270,474.49
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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.