Finding the Fourth Proportional to 328,957.08, 493,038.01 and 160,224.57
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Solution
The fourth proportional to 328,957.08, 493,038.01 and 160,224.57 is: 240,143.18
Step by Step Solution
- Step 1: Write the proportion equation
328,957.08 : 493,038.01 = 160,224.57 : x - Step 2: Convert to fraction form
328,957.08/493,038.01 = 160,224.57/x - Step 3: Cross multiply
328,957.08x = 493,038.01 × 160,224.57 - Step 4: Simplify right side
328,957.08x = 78,996,800,680.72 - Step 5: Solve for x
x = 78,996,800,680.72/328,957.08 - Step 6: Final answer
x = 240,143.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.