Finding the Fourth Proportional to 253,146.80, 349,177.98 and 162,358.96
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Solution
The fourth proportional to 253,146.80, 349,177.98 and 162,358.96 is: 223,949.80
Step by Step Solution
- Step 1: Write the proportion equation
253,146.80 : 349,177.98 = 162,358.96 : x - Step 2: Convert to fraction form
253,146.80/349,177.98 = 162,358.96/x - Step 3: Cross multiply
253,146.80x = 349,177.98 × 162,358.96 - Step 4: Simplify right side
253,146.80x = 56,692,173,423.60 - Step 5: Solve for x
x = 56,692,173,423.60/253,146.80 - Step 6: Final answer
x = 223,949.80
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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.