Finding the Fourth Proportional to 206,263.02, 309,394.80 and 56,504.61
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Solution
The fourth proportional to 206,263.02, 309,394.80 and 56,504.61 is: 84,756.99
Step by Step Solution
- Step 1: Write the proportion equation
206,263.02 : 309,394.80 = 56,504.61 : x - Step 2: Convert to fraction form
206,263.02/309,394.80 = 56,504.61/x - Step 3: Cross multiply
206,263.02x = 309,394.80 × 56,504.61 - Step 4: Simplify right side
206,263.02x = 17,482,232,510.03 - Step 5: Solve for x
x = 17,482,232,510.03/206,263.02 - Step 6: Final answer
x = 84,756.99
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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.