Finding the Fourth Proportional to 186,322.08, 257,124.30 and 101,439.12
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Solution
The fourth proportional to 186,322.08, 257,124.30 and 101,439.12 is: 139,985.89
Step by Step Solution
- Step 1: Write the proportion equation
186,322.08 : 257,124.30 = 101,439.12 : x - Step 2: Convert to fraction form
186,322.08/257,124.30 = 101,439.12/x - Step 3: Cross multiply
186,322.08x = 257,124.30 × 101,439.12 - Step 4: Simplify right side
186,322.08x = 26,082,462,722.62 - Step 5: Solve for x
x = 26,082,462,722.62/186,322.08 - Step 6: Final answer
x = 139,985.89
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1.5x scale
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.