Finding the Fourth Proportional to 306,929.55, 423,541.00 and 169,102.45
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Solution
The fourth proportional to 306,929.55, 423,541.00 and 169,102.45 is: 233,349.39
Step by Step Solution
- Step 1: Write the proportion equation
306,929.55 : 423,541.00 = 169,102.45 : x - Step 2: Convert to fraction form
306,929.55/423,541.00 = 169,102.45/x - Step 3: Cross multiply
306,929.55x = 423,541.00 × 169,102.45 - Step 4: Simplify right side
306,929.55x = 71,621,821,516.25 - Step 5: Solve for x
x = 71,621,821,516.25/306,929.55 - Step 6: Final answer
x = 233,349.39
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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.