Finding the Fourth Proportional to 153,367.70, 229,975.12 and 97,164.99
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Solution
The fourth proportional to 153,367.70, 229,975.12 and 97,164.99 is: 145,699.07
Step by Step Solution
- Step 1: Write the proportion equation
153,367.70 : 229,975.12 = 97,164.99 : x - Step 2: Convert to fraction form
153,367.70/229,975.12 = 97,164.99/x - Step 3: Cross multiply
153,367.70x = 229,975.12 × 97,164.99 - Step 4: Simplify right side
153,367.70x = 22,345,531,276.59 - Step 5: Solve for x
x = 22,345,531,276.59/153,367.70 - Step 6: Final answer
x = 145,699.07
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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.