Finding the Fourth Proportional to 514,653.91, 710,201.88 and 285,221.00
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Solution
The fourth proportional to 514,653.91, 710,201.88 and 285,221.00 is: 393,593.62
Step by Step Solution
- Step 1: Write the proportion equation
514,653.91 : 710,201.88 = 285,221.00 : x - Step 2: Convert to fraction form
514,653.91/710,201.88 = 285,221.00/x - Step 3: Cross multiply
514,653.91x = 710,201.88 × 285,221.00 - Step 4: Simplify right side
514,653.91x = 202,564,492,190.99 - Step 5: Solve for x
x = 202,564,492,190.99/514,653.91 - Step 6: Final answer
x = 393,593.62
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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.