Finding the Fourth Proportional to 253,875.95, 350,348.81 and 140,705.99
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Solution
The fourth proportional to 253,875.95, 350,348.81 and 140,705.99 is: 194,174.26
Step by Step Solution
- Step 1: Write the proportion equation
253,875.95 : 350,348.81 = 140,705.99 : x - Step 2: Convert to fraction form
253,875.95/350,348.81 = 140,705.99/x - Step 3: Cross multiply
253,875.95x = 350,348.81 × 140,705.99 - Step 4: Simplify right side
253,875.95x = 49,296,173,701.10 - Step 5: Solve for x
x = 49,296,173,701.10/253,875.95 - Step 6: Final answer
x = 194,174.26
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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.