Finding the Fourth Proportional to 265,931.62, 398,971.26 and 147,686.01
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Solution
The fourth proportional to 265,931.62, 398,971.26 and 147,686.01 is: 221,570.02
Step by Step Solution
- Step 1: Write the proportion equation
265,931.62 : 398,971.26 = 147,686.01 : x - Step 2: Convert to fraction form
265,931.62/398,971.26 = 147,686.01/x - Step 3: Cross multiply
265,931.62x = 398,971.26 × 147,686.01 - Step 4: Simplify right side
265,931.62x = 58,922,473,494.07 - Step 5: Solve for x
x = 58,922,473,494.07/265,931.62 - Step 6: Final answer
x = 221,570.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.