Finding the Fourth Proportional to 525,687.66, 788,597.08 and 205,798.21
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Solution
The fourth proportional to 525,687.66, 788,597.08 and 205,798.21 is: 308,722.99
Step by Step Solution
- Step 1: Write the proportion equation
525,687.66 : 788,597.08 = 205,798.21 : x - Step 2: Convert to fraction form
525,687.66/788,597.08 = 205,798.21/x - Step 3: Cross multiply
525,687.66x = 788,597.08 × 205,798.21 - Step 4: Simplify right side
525,687.66x = 162,291,864,989.24 - Step 5: Solve for x
x = 162,291,864,989.24/525,687.66 - Step 6: Final answer
x = 308,722.99
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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.