Finding the Fourth Proportional to 319,321.36, 440,693.04 and 183,373.12
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Solution
The fourth proportional to 319,321.36, 440,693.04 and 183,373.12 is: 253,071.88
Step by Step Solution
- Step 1: Write the proportion equation
319,321.36 : 440,693.04 = 183,373.12 : x - Step 2: Convert to fraction form
319,321.36/440,693.04 = 183,373.12/x - Step 3: Cross multiply
319,321.36x = 440,693.04 × 183,373.12 - Step 4: Simplify right side
319,321.36x = 80,811,257,707.08 - Step 5: Solve for x
x = 80,811,257,707.08/319,321.36 - Step 6: Final answer
x = 253,071.88
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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.