Finding the Fourth Proportional to 614,149.92, 847,504.80 and 342,203.76
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Solution
The fourth proportional to 614,149.92, 847,504.80 and 342,203.76 is: 472,228.88
Step by Step Solution
- Step 1: Write the proportion equation
614,149.92 : 847,504.80 = 342,203.76 : x - Step 2: Convert to fraction form
614,149.92/847,504.80 = 342,203.76/x - Step 3: Cross multiply
614,149.92x = 847,504.80 × 342,203.76 - Step 4: Simplify right side
614,149.92x = 290,019,329,178.05 - Step 5: Solve for x
x = 290,019,329,178.05/614,149.92 - Step 6: Final answer
x = 472,228.88
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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.