Finding the Fourth Proportional to 514,825.78, 772,350.16 and 211,220.63
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Solution
The fourth proportional to 514,825.78, 772,350.16 and 211,220.63 is: 316,876.69
Step by Step Solution
- Step 1: Write the proportion equation
514,825.78 : 772,350.16 = 211,220.63 : x - Step 2: Convert to fraction form
514,825.78/772,350.16 = 211,220.63/x - Step 3: Cross multiply
514,825.78x = 772,350.16 × 211,220.63 - Step 4: Simplify right side
514,825.78x = 163,136,287,164.96 - Step 5: Solve for x
x = 163,136,287,164.96/514,825.78 - Step 6: Final answer
x = 316,876.69
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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.