Finding the Fourth Proportional to 514,493.31, 771,739.98 and 214,810.74
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Solution
The fourth proportional to 514,493.31, 771,739.98 and 214,810.74 is: 322,216.12
Step by Step Solution
- Step 1: Write the proportion equation
514,493.31 : 771,739.98 = 214,810.74 : x - Step 2: Convert to fraction form
514,493.31/771,739.98 = 214,810.74/x - Step 3: Cross multiply
514,493.31x = 771,739.98 × 214,810.74 - Step 4: Simplify right side
514,493.31x = 165,778,036,191.39 - Step 5: Solve for x
x = 165,778,036,191.39/514,493.31 - Step 6: Final answer
x = 322,216.12
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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.