Finding the Fourth Proportional to 299,781.96, 413,700.14 and 163,815.91
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Solution
The fourth proportional to 299,781.96, 413,700.14 and 163,815.91 is: 226,066.52
Step by Step Solution
- Step 1: Write the proportion equation
299,781.96 : 413,700.14 = 163,815.91 : x - Step 2: Convert to fraction form
299,781.96/413,700.14 = 163,815.91/x - Step 3: Cross multiply
299,781.96x = 413,700.14 × 163,815.91 - Step 4: Simplify right side
299,781.96x = 67,770,664,901.23 - Step 5: Solve for x
x = 67,770,664,901.23/299,781.96 - Step 6: Final answer
x = 226,066.52
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1.5x scale
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.