Finding the Fourth Proportional to 161,588.12, 223,000.80 and 97,077.09
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Solution
The fourth proportional to 161,588.12, 223,000.80 and 97,077.09 is: 133,971.91
Step by Step Solution
- Step 1: Write the proportion equation
161,588.12 : 223,000.80 = 97,077.09 : x - Step 2: Convert to fraction form
161,588.12/223,000.80 = 97,077.09/x - Step 3: Cross multiply
161,588.12x = 223,000.80 × 97,077.09 - Step 4: Simplify right side
161,588.12x = 21,648,268,259.46 - Step 5: Solve for x
x = 21,648,268,259.46/161,588.12 - Step 6: Final answer
x = 133,971.91
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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.