Finding the Fourth Proportional to 247,130.99, 341,077.20 and 156,495.23
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Solution
The fourth proportional to 247,130.99, 341,077.20 and 156,495.23 is: 215,986.49
Step by Step Solution
- Step 1: Write the proportion equation
247,130.99 : 341,077.20 = 156,495.23 : x - Step 2: Convert to fraction form
247,130.99/341,077.20 = 156,495.23/x - Step 3: Cross multiply
247,130.99x = 341,077.20 × 156,495.23 - Step 4: Simplify right side
247,130.99x = 53,376,954,861.76 - Step 5: Solve for x
x = 53,376,954,861.76/247,130.99 - Step 6: Final answer
x = 215,986.49
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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.