Finding the Fourth Proportional to 178,157.66, 245,844.27 and 101,674.63
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Solution
The fourth proportional to 178,157.66, 245,844.27 and 101,674.63 is: 140,303.39
Step by Step Solution
- Step 1: Write the proportion equation
178,157.66 : 245,844.27 = 101,674.63 : x - Step 2: Convert to fraction form
178,157.66/245,844.27 = 101,674.63/x - Step 3: Cross multiply
178,157.66x = 245,844.27 × 101,674.63 - Step 4: Simplify right side
178,157.66x = 24,996,124,575.26 - Step 5: Solve for x
x = 24,996,124,575.26/178,157.66 - Step 6: Final answer
x = 140,303.39
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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.