Finding the Fourth Proportional to 463,908.59, 640,182.99 and 272,934.26
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Solution
The fourth proportional to 463,908.59, 640,182.99 and 272,934.26 is: 376,642.89
Step by Step Solution
- Step 1: Write the proportion equation
463,908.59 : 640,182.99 = 272,934.26 : x - Step 2: Convert to fraction form
463,908.59/640,182.99 = 272,934.26/x - Step 3: Cross multiply
463,908.59x = 640,182.99 × 272,934.26 - Step 4: Simplify right side
463,908.59x = 174,727,870,640.24 - Step 5: Solve for x
x = 174,727,870,640.24/463,908.59 - Step 6: Final answer
x = 376,642.89
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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.