Finding the Fourth Proportional to 220,262.84, 328,062.95 and 219,188.84
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Solution
The fourth proportional to 220,262.84, 328,062.95 and 219,188.84 is: 326,463.32
Step by Step Solution
- Step 1: Write the proportion equation
220,262.84 : 328,062.95 = 219,188.84 : x - Step 2: Convert to fraction form
220,262.84/328,062.95 = 219,188.84/x - Step 3: Cross multiply
220,262.84x = 328,062.95 × 219,188.84 - Step 4: Simplify right side
220,262.84x = 71,907,737,457.48 - Step 5: Solve for x
x = 71,907,737,457.48/220,262.84 - Step 6: Final answer
x = 326,463.32
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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.