Finding the Fourth Proportional to 384,772.86, 530,985.24 and 215,006.99
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Solution
The fourth proportional to 384,772.86, 530,985.24 and 215,006.99 is: 296,708.91
Step by Step Solution
- Step 1: Write the proportion equation
384,772.86 : 530,985.24 = 215,006.99 : x - Step 2: Convert to fraction form
384,772.86/530,985.24 = 215,006.99/x - Step 3: Cross multiply
384,772.86x = 530,985.24 × 215,006.99 - Step 4: Simplify right side
384,772.86x = 114,165,535,531.90 - Step 5: Solve for x
x = 114,165,535,531.90/384,772.86 - Step 6: Final answer
x = 296,708.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.