Finding the Fourth Proportional to 368,518.92, 508,301.64 and 225,349.44
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Solution
The fourth proportional to 368,518.92, 508,301.64 and 225,349.44 is: 310,826.62
Step by Step Solution
- Step 1: Write the proportion equation
368,518.92 : 508,301.64 = 225,349.44 : x - Step 2: Convert to fraction form
368,518.92/508,301.64 = 225,349.44/x - Step 3: Cross multiply
368,518.92x = 508,301.64 × 225,349.44 - Step 4: Simplify right side
368,518.92x = 114,545,489,925.08 - Step 5: Solve for x
x = 114,545,489,925.08/368,518.92 - Step 6: Final answer
x = 310,826.62
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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.