Finding the Fourth Proportional to 477,312.77, 716,167.42 and 193,204.17
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Solution
The fourth proportional to 477,312.77, 716,167.42 and 193,204.17 is: 289,886.51
Step by Step Solution
- Step 1: Write the proportion equation
477,312.77 : 716,167.42 = 193,204.17 : x - Step 2: Convert to fraction form
477,312.77/716,167.42 = 193,204.17/x - Step 3: Cross multiply
477,312.77x = 716,167.42 × 193,204.17 - Step 4: Simplify right side
477,312.77x = 138,366,531,479.13 - Step 5: Solve for x
x = 138,366,531,479.13/477,312.77 - Step 6: Final answer
x = 289,886.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.