Finding the Fourth Proportional to 205,318.70, 307,988.91 and 65,088.26
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Solution
The fourth proportional to 205,318.70, 307,988.91 and 65,088.26 is: 97,635.83
Step by Step Solution
- Step 1: Write the proportion equation
205,318.70 : 307,988.91 = 65,088.26 : x - Step 2: Convert to fraction form
205,318.70/307,988.91 = 65,088.26/x - Step 3: Cross multiply
205,318.70x = 307,988.91 × 65,088.26 - Step 4: Simplify right side
205,318.70x = 20,046,462,251.20 - Step 5: Solve for x
x = 20,046,462,251.20/205,318.70 - Step 6: Final answer
x = 97,635.83
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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.