Finding the Fourth Proportional to 219,319.84, 328,957.62 and 148,695.94
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Solution
The fourth proportional to 219,319.84, 328,957.62 and 148,695.94 is: 223,028.90
Step by Step Solution
- Step 1: Write the proportion equation
219,319.84 : 328,957.62 = 148,695.94 : x - Step 2: Convert to fraction form
219,319.84/328,957.62 = 148,695.94/x - Step 3: Cross multiply
219,319.84x = 328,957.62 × 148,695.94 - Step 4: Simplify right side
219,319.84x = 48,914,662,526.06 - Step 5: Solve for x
x = 48,914,662,526.06/219,319.84 - Step 6: Final answer
x = 223,028.90
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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.