Finding the Fourth Proportional to 299,490.08, 413,313.06 and 163,536.68
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Solution
The fourth proportional to 299,490.08, 413,313.06 and 163,536.68 is: 225,689.76
Step by Step Solution
- Step 1: Write the proportion equation
299,490.08 : 413,313.06 = 163,536.68 : x - Step 2: Convert to fraction form
299,490.08/413,313.06 = 163,536.68/x - Step 3: Cross multiply
299,490.08x = 413,313.06 × 163,536.68 - Step 4: Simplify right side
299,490.08x = 67,591,843,566.48 - Step 5: Solve for x
x = 67,591,843,566.48/299,490.08 - Step 6: Final answer
x = 225,689.76
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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.