Finding the Fourth Proportional to 219,272.36, 302,608.02 and 154,762.23
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Solution
The fourth proportional to 219,272.36, 302,608.02 and 154,762.23 is: 213,580.47
Step by Step Solution
- Step 1: Write the proportion equation
219,272.36 : 302,608.02 = 154,762.23 : x - Step 2: Convert to fraction form
219,272.36/302,608.02 = 154,762.23/x - Step 3: Cross multiply
219,272.36x = 302,608.02 × 154,762.23 - Step 4: Simplify right side
219,272.36x = 46,832,291,991.08 - Step 5: Solve for x
x = 46,832,291,991.08/219,272.36 - Step 6: Final answer
x = 213,580.47
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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.