Finding the Fourth Proportional to 185,724.18, 256,322.03 and 109,239.63
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Solution
The fourth proportional to 185,724.18, 256,322.03 and 109,239.63 is: 150,764.02
Step by Step Solution
- Step 1: Write the proportion equation
185,724.18 : 256,322.03 = 109,239.63 : x - Step 2: Convert to fraction form
185,724.18/256,322.03 = 109,239.63/x - Step 3: Cross multiply
185,724.18x = 256,322.03 × 109,239.63 - Step 4: Simplify right side
185,724.18x = 28,000,523,718.05 - Step 5: Solve for x
x = 28,000,523,718.05/185,724.18 - Step 6: Final answer
x = 150,764.02
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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.