Finding the Fourth Proportional to 493,616.10, 740,424.18 and 119,639.10
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Solution
The fourth proportional to 493,616.10, 740,424.18 and 119,639.10 is: 179,458.66
Step by Step Solution
- Step 1: Write the proportion equation
493,616.10 : 740,424.18 = 119,639.10 : x - Step 2: Convert to fraction form
493,616.10/740,424.18 = 119,639.10/x - Step 3: Cross multiply
493,616.10x = 740,424.18 × 119,639.10 - Step 4: Simplify right side
493,616.10x = 88,583,682,513.44 - Step 5: Solve for x
x = 88,583,682,513.44/493,616.10 - Step 6: Final answer
x = 179,458.66
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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.