Finding the Fourth Proportional to 713,451.80, 1,070,177.70 and 214,815.80
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Solution
The fourth proportional to 713,451.80, 1,070,177.70 and 214,815.80 is: 322,223.70
Step by Step Solution
- Step 1: Write the proportion equation
713,451.80 : 1,070,177.70 = 214,815.80 : x - Step 2: Convert to fraction form
713,451.80/1,070,177.70 = 214,815.80/x - Step 3: Cross multiply
713,451.80x = 1,070,177.70 × 214,815.80 - Step 4: Simplify right side
713,451.80x = 229,891,078,767.66 - Step 5: Solve for x
x = 229,891,078,767.66/713,451.80 - Step 6: Final answer
x = 322,223.70
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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.