Finding the Fourth Proportional to 97,797.24, 134,950.86 and 77,702.76
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Solution
The fourth proportional to 97,797.24, 134,950.86 and 77,702.76 is: 107,222.39
Step by Step Solution
- Step 1: Write the proportion equation
97,797.24 : 134,950.86 = 77,702.76 : x - Step 2: Convert to fraction form
97,797.24/134,950.86 = 77,702.76/x - Step 3: Cross multiply
97,797.24x = 134,950.86 × 77,702.76 - Step 4: Simplify right side
97,797.24x = 10,486,054,286.37 - Step 5: Solve for x
x = 10,486,054,286.37/97,797.24 - Step 6: Final answer
x = 107,222.39
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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.