Finding the Fourth Proportional to 775,424.16, 1,163,134.80 and 242,986
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Solution
The fourth proportional to 775,424.16, 1,163,134.80 and 242,986 is: 364,478.55
Step by Step Solution
- Step 1: Write the proportion equation
775,424.16 : 1,163,134.80 = 242,986 : x - Step 2: Convert to fraction form
775,424.16/1,163,134.80 = 242,986/x - Step 3: Cross multiply
775,424.16x = 1,163,134.80 × 242,986 - Step 4: Simplify right side
775,424.16x = 282,625,472,512.80 - Step 5: Solve for x
x = 282,625,472,512.80/775,424.16 - Step 6: Final answer
x = 364,478.55
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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.