Finding the Fourth Proportional to 505,267.34, 757,242.84 and 205,397.63
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Solution
The fourth proportional to 505,267.34, 757,242.84 and 205,397.63 is: 307,828.89
Step by Step Solution
- Step 1: Write the proportion equation
505,267.34 : 757,242.84 = 205,397.63 : x - Step 2: Convert to fraction form
505,267.34/757,242.84 = 205,397.63/x - Step 3: Cross multiply
505,267.34x = 757,242.84 × 205,397.63 - Step 4: Simplify right side
505,267.34x = 155,535,884,670.47 - Step 5: Solve for x
x = 155,535,884,670.47/505,267.34 - Step 6: Final answer
x = 307,828.89
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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.