Finding the Fourth Proportional to 411,468.48, 616,567.68 and 277,824.96
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Solution
The fourth proportional to 411,468.48, 616,567.68 and 277,824.96 is: 416,308.66
Step by Step Solution
- Step 1: Write the proportion equation
411,468.48 : 616,567.68 = 277,824.96 : x - Step 2: Convert to fraction form
411,468.48/616,567.68 = 277,824.96/x - Step 3: Cross multiply
411,468.48x = 616,567.68 × 277,824.96 - Step 4: Simplify right side
411,468.48x = 171,297,891,033.29 - Step 5: Solve for x
x = 171,297,891,033.29/411,468.48 - Step 6: Final answer
x = 416,308.66
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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.