Finding the Fourth Proportional to 517,295.08, 713,887.40 and 313,230.68
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Solution
The fourth proportional to 517,295.08, 713,887.40 and 313,230.68 is: 432,270.56
Step by Step Solution
- Step 1: Write the proportion equation
517,295.08 : 713,887.40 = 313,230.68 : x - Step 2: Convert to fraction form
517,295.08/713,887.40 = 313,230.68/x - Step 3: Cross multiply
517,295.08x = 713,887.40 × 313,230.68 - Step 4: Simplify right side
517,295.08x = 223,611,435,745.43 - Step 5: Solve for x
x = 223,611,435,745.43/517,295.08 - Step 6: Final answer
x = 432,270.56
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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.