Finding the Fourth Proportional to 168,291.08, 232,224.66 and 99,369.80
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Solution
The fourth proportional to 168,291.08, 232,224.66 and 99,369.80 is: 137,120.27
Step by Step Solution
- Step 1: Write the proportion equation
168,291.08 : 232,224.66 = 99,369.80 : x - Step 2: Convert to fraction form
168,291.08/232,224.66 = 99,369.80/x - Step 3: Cross multiply
168,291.08x = 232,224.66 × 99,369.80 - Step 4: Simplify right side
168,291.08x = 23,076,118,019.27 - Step 5: Solve for x
x = 23,076,118,019.27/168,291.08 - Step 6: Final answer
x = 137,120.27
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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.