Finding the Fourth Proportional to 455,536.80, 683,305.20 and 202,816.80
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Solution
The fourth proportional to 455,536.80, 683,305.20 and 202,816.80 is: 304,225.20
Step by Step Solution
- Step 1: Write the proportion equation
455,536.80 : 683,305.20 = 202,816.80 : x - Step 2: Convert to fraction form
455,536.80/683,305.20 = 202,816.80/x - Step 3: Cross multiply
455,536.80x = 683,305.20 × 202,816.80 - Step 4: Simplify right side
455,536.80x = 138,585,774,087.36 - Step 5: Solve for x
x = 138,585,774,087.36/455,536.80 - Step 6: Final answer
x = 304,225.20
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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.