Finding the Fourth Proportional to 343,647.19, 474,235.65 and 190,685.98
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Solution
The fourth proportional to 343,647.19, 474,235.65 and 190,685.98 is: 263,148.06
Step by Step Solution
- Step 1: Write the proportion equation
343,647.19 : 474,235.65 = 190,685.98 : x - Step 2: Convert to fraction form
343,647.19/474,235.65 = 190,685.98/x - Step 3: Cross multiply
343,647.19x = 474,235.65 × 190,685.98 - Step 4: Simplify right side
343,647.19x = 90,430,089,671.19 - Step 5: Solve for x
x = 90,430,089,671.19/343,647.19 - Step 6: Final answer
x = 263,148.06
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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.