Finding the Fourth Proportional to 253,394.63, 349,532.56 and 167,353.78
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Solution
The fourth proportional to 253,394.63, 349,532.56 and 167,353.78 is: 230,847.81
Step by Step Solution
- Step 1: Write the proportion equation
253,394.63 : 349,532.56 = 167,353.78 : x - Step 2: Convert to fraction form
253,394.63/349,532.56 = 167,353.78/x - Step 3: Cross multiply
253,394.63x = 349,532.56 × 167,353.78 - Step 4: Simplify right side
253,394.63x = 58,495,594,669.13 - Step 5: Solve for x
x = 58,495,594,669.13/253,394.63 - Step 6: Final answer
x = 230,847.81
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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.