Finding the Fourth Proportional to 514,640.91, 710,206.13 and 285,201.98
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Solution
The fourth proportional to 514,640.91, 710,206.13 and 285,201.98 is: 393,579.65
Step by Step Solution
- Step 1: Write the proportion equation
514,640.91 : 710,206.13 = 285,201.98 : x - Step 2: Convert to fraction form
514,640.91/710,206.13 = 285,201.98/x - Step 3: Cross multiply
514,640.91x = 710,206.13 × 285,201.98 - Step 4: Simplify right side
514,640.91x = 202,552,189,507.10 - Step 5: Solve for x
x = 202,552,189,507.10/514,640.91 - Step 6: Final answer
x = 393,579.65
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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.