Finding the Fourth Proportional to 415,863.41, 623,703.12 and 116,263.44
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Solution
The fourth proportional to 415,863.41, 623,703.12 and 116,263.44 is: 174,369.44
Step by Step Solution
- Step 1: Write the proportion equation
415,863.41 : 623,703.12 = 116,263.44 : x - Step 2: Convert to fraction form
415,863.41/623,703.12 = 116,263.44/x - Step 3: Cross multiply
415,863.41x = 623,703.12 × 116,263.44 - Step 4: Simplify right side
415,863.41x = 72,513,870,269.93 - Step 5: Solve for x
x = 72,513,870,269.93/415,863.41 - Step 6: Final answer
x = 174,369.44
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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.