Finding the Fourth Proportional to 403,182.84, 556,387.86 and 282,279.99
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Solution
The fourth proportional to 403,182.84, 556,387.86 and 282,279.99 is: 389,543.26
Step by Step Solution
- Step 1: Write the proportion equation
403,182.84 : 556,387.86 = 282,279.99 : x - Step 2: Convert to fraction form
403,182.84/556,387.86 = 282,279.99/x - Step 3: Cross multiply
403,182.84x = 556,387.86 × 282,279.99 - Step 4: Simplify right side
403,182.84x = 157,057,159,556.92 - Step 5: Solve for x
x = 157,057,159,556.92/403,182.84 - Step 6: Final answer
x = 389,543.26
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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.