Finding the Fourth Proportional to 153,244.36, 211,471.86 and 85,259.08
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Solution
The fourth proportional to 153,244.36, 211,471.86 and 85,259.08 is: 117,654.55
Step by Step Solution
- Step 1: Write the proportion equation
153,244.36 : 211,471.86 = 85,259.08 : x - Step 2: Convert to fraction form
153,244.36/211,471.86 = 85,259.08/x - Step 3: Cross multiply
153,244.36x = 211,471.86 × 85,259.08 - Step 4: Simplify right side
153,244.36x = 18,029,896,229.49 - Step 5: Solve for x
x = 18,029,896,229.49/153,244.36 - Step 6: Final answer
x = 117,654.55
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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.