Finding the Fourth Proportional to 242,679.58, 362,120.86 and 217,462.84
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Solution
The fourth proportional to 242,679.58, 362,120.86 and 217,462.84 is: 324,493.02
Step by Step Solution
- Step 1: Write the proportion equation
242,679.58 : 362,120.86 = 217,462.84 : x - Step 2: Convert to fraction form
242,679.58/362,120.86 = 217,462.84/x - Step 3: Cross multiply
242,679.58x = 362,120.86 × 217,462.84 - Step 4: Simplify right side
242,679.58x = 78,747,830,638.84 - Step 5: Solve for x
x = 78,747,830,638.84/242,679.58 - Step 6: Final answer
x = 324,493.02
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.