Finding the Fourth Proportional to 153,295.70, 229,980.47 and 48,114.63
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Solution
The fourth proportional to 153,295.70, 229,980.47 and 48,114.63 is: 72,183.53
Step by Step Solution
- Step 1: Write the proportion equation
153,295.70 : 229,980.47 = 48,114.63 : x - Step 2: Convert to fraction form
153,295.70/229,980.47 = 48,114.63/x - Step 3: Cross multiply
153,295.70x = 229,980.47 × 48,114.63 - Step 4: Simplify right side
153,295.70x = 11,065,424,980.70 - Step 5: Solve for x
x = 11,065,424,980.70/153,295.70 - Step 6: Final answer
x = 72,183.53
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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.