Finding the Fourth Proportional to 322,617.68, 483,927.28 and 97,979.84
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Solution
The fourth proportional to 322,617.68, 483,927.28 and 97,979.84 is: 146,969.99
Step by Step Solution
- Step 1: Write the proportion equation
322,617.68 : 483,927.28 = 97,979.84 : x - Step 2: Convert to fraction form
322,617.68/483,927.28 = 97,979.84/x - Step 3: Cross multiply
322,617.68x = 483,927.28 × 97,979.84 - Step 4: Simplify right side
322,617.68x = 47,415,117,466.04 - Step 5: Solve for x
x = 47,415,117,466.04/322,617.68 - Step 6: Final answer
x = 146,969.99
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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.