Finding the Fourth Proportional to 503,997.12, 695,515.73 and 277,642.62
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Solution
The fourth proportional to 503,997.12, 695,515.73 and 277,642.62 is: 383,146.65
Step by Step Solution
- Step 1: Write the proportion equation
503,997.12 : 695,515.73 = 277,642.62 : x - Step 2: Convert to fraction form
503,997.12/695,515.73 = 277,642.62/x - Step 3: Cross multiply
503,997.12x = 695,515.73 × 277,642.62 - Step 4: Simplify right side
503,997.12x = 193,104,808,140.20 - Step 5: Solve for x
x = 193,104,808,140.20/503,997.12 - Step 6: Final answer
x = 383,146.65
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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.