Finding the Fourth Proportional to 97,399.68, 134,384.64 and 61,132.80
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Solution
The fourth proportional to 97,399.68, 134,384.64 and 61,132.80 is: 84,346.37
Step by Step Solution
- Step 1: Write the proportion equation
97,399.68 : 134,384.64 = 61,132.80 : x - Step 2: Convert to fraction form
97,399.68/134,384.64 = 61,132.80/x - Step 3: Cross multiply
97,399.68x = 134,384.64 × 61,132.80 - Step 4: Simplify right side
97,399.68x = 8,215,309,320.19 - Step 5: Solve for x
x = 8,215,309,320.19/97,399.68 - Step 6: Final answer
x = 84,346.37
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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.