Finding the Fourth Proportional to 178,218.14, 245,931.63 and 101,734.19
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Solution
The fourth proportional to 178,218.14, 245,931.63 and 101,734.19 is: 140,387.81
Step by Step Solution
- Step 1: Write the proportion equation
178,218.14 : 245,931.63 = 101,734.19 : x - Step 2: Convert to fraction form
178,218.14/245,931.63 = 101,734.19/x - Step 3: Cross multiply
178,218.14x = 245,931.63 × 101,734.19 - Step 4: Simplify right side
178,218.14x = 25,019,654,484.51 - Step 5: Solve for x
x = 25,019,654,484.51/178,218.14 - Step 6: Final answer
x = 140,387.81
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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.