Finding the Fourth Proportional to 253,880.95, 350,355.71 and 140,710.99
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Solution
The fourth proportional to 253,880.95, 350,355.71 and 140,710.99 is: 194,181.16
Step by Step Solution
- Step 1: Write the proportion equation
253,880.95 : 350,355.71 = 140,710.99 : x - Step 2: Convert to fraction form
253,880.95/350,355.71 = 140,710.99/x - Step 3: Cross multiply
253,880.95x = 350,355.71 × 140,710.99 - Step 4: Simplify right side
253,880.95x = 49,298,898,102.70 - Step 5: Solve for x
x = 49,298,898,102.70/253,880.95 - Step 6: Final answer
x = 194,181.16
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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.