Finding the Fourth Proportional to 834,981.12, 1,252,553.70 and 235,946.88
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Solution
The fourth proportional to 834,981.12, 1,252,553.70 and 235,946.88 is: 353,943.50
Step by Step Solution
- Step 1: Write the proportion equation
834,981.12 : 1,252,553.70 = 235,946.88 : x - Step 2: Convert to fraction form
834,981.12/1,252,553.70 = 235,946.88/x - Step 3: Cross multiply
834,981.12x = 1,252,553.70 × 235,946.88 - Step 4: Simplify right side
834,981.12x = 295,536,137,547.46 - Step 5: Solve for x
x = 295,536,137,547.46/834,981.12 - Step 6: Final answer
x = 353,943.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.