Finding the Fourth Proportional to 357,781.07, 493,727.42 and 204,814.19
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Solution
The fourth proportional to 357,781.07, 493,727.42 and 204,814.19 is: 282,637.59
Step by Step Solution
- Step 1: Write the proportion equation
357,781.07 : 493,727.42 = 204,814.19 : x - Step 2: Convert to fraction form
357,781.07/493,727.42 = 204,814.19/x - Step 3: Cross multiply
357,781.07x = 493,727.42 × 204,814.19 - Step 4: Simplify right side
357,781.07x = 101,122,378,115.38 - Step 5: Solve for x
x = 101,122,378,115.38/357,781.07 - Step 6: Final answer
x = 282,637.59
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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.