Finding the Fourth Proportional to 560,035.08, 772,845.30 and 305,380.80
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Solution
The fourth proportional to 560,035.08, 772,845.30 and 305,380.80 is: 421,423.81
Step by Step Solution
- Step 1: Write the proportion equation
560,035.08 : 772,845.30 = 305,380.80 : x - Step 2: Convert to fraction form
560,035.08/772,845.30 = 305,380.80/x - Step 3: Cross multiply
560,035.08x = 772,845.30 × 305,380.80 - Step 4: Simplify right side
560,035.08x = 236,012,115,990.24 - Step 5: Solve for x
x = 236,012,115,990.24/560,035.08 - Step 6: Final answer
x = 421,423.81
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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.