Finding the Fourth Proportional to 346,211.80, 519,317.70 and 188,747.80
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Solution
The fourth proportional to 346,211.80, 519,317.70 and 188,747.80 is: 283,121.70
Step by Step Solution
- Step 1: Write the proportion equation
346,211.80 : 519,317.70 = 188,747.80 : x - Step 2: Convert to fraction form
346,211.80/519,317.70 = 188,747.80/x - Step 3: Cross multiply
346,211.80x = 519,317.70 × 188,747.80 - Step 4: Simplify right side
346,211.80x = 98,020,073,376.06 - Step 5: Solve for x
x = 98,020,073,376.06/346,211.80 - Step 6: Final answer
x = 283,121.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.