Finding the Fourth Proportional to 97,147.99, 145,741.63 and 40,988.24
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Solution
The fourth proportional to 97,147.99, 145,741.63 and 40,988.24 is: 61,490.64
Step by Step Solution
- Step 1: Write the proportion equation
97,147.99 : 145,741.63 = 40,988.24 : x - Step 2: Convert to fraction form
97,147.99/145,741.63 = 40,988.24/x - Step 3: Cross multiply
97,147.99x = 145,741.63 × 40,988.24 - Step 4: Simplify right side
97,147.99x = 5,973,692,077.25 - Step 5: Solve for x
x = 5,973,692,077.25/97,147.99 - Step 6: Final answer
x = 61,490.64
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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.