Finding the Fourth Proportional to 519,207.89, 716,516.21 and 304,502.81
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Solution
The fourth proportional to 519,207.89, 716,516.21 and 304,502.81 is: 420,219.34
Step by Step Solution
- Step 1: Write the proportion equation
519,207.89 : 716,516.21 = 304,502.81 : x - Step 2: Convert to fraction form
519,207.89/716,516.21 = 304,502.81/x - Step 3: Cross multiply
519,207.89x = 716,516.21 × 304,502.81 - Step 4: Simplify right side
519,207.89x = 218,181,196,534.23 - Step 5: Solve for x
x = 218,181,196,534.23/519,207.89 - Step 6: Final answer
x = 420,219.34
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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.