Finding the Fourth Proportional to 364,199.73, 502,416.99 and 243,370.68
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Solution
The fourth proportional to 364,199.73, 502,416.99 and 243,370.68 is: 335,732.17
Step by Step Solution
- Step 1: Write the proportion equation
364,199.73 : 502,416.99 = 243,370.68 : x - Step 2: Convert to fraction form
364,199.73/502,416.99 = 243,370.68/x - Step 3: Cross multiply
364,199.73x = 502,416.99 × 243,370.68 - Step 4: Simplify right side
364,199.73x = 122,273,564,499.85 - Step 5: Solve for x
x = 122,273,564,499.85/364,199.73 - Step 6: Final answer
x = 335,732.17
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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.