Finding the Fourth Proportional to 343,337.86, 514,908.37 and 103,474.99
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Solution
The fourth proportional to 343,337.86, 514,908.37 and 103,474.99 is: 155,182.82
Step by Step Solution
- Step 1: Write the proportion equation
343,337.86 : 514,908.37 = 103,474.99 : x - Step 2: Convert to fraction form
343,337.86/514,908.37 = 103,474.99/x - Step 3: Cross multiply
343,337.86x = 514,908.37 × 103,474.99 - Step 4: Simplify right side
343,337.86x = 53,280,138,436.67 - Step 5: Solve for x
x = 53,280,138,436.67/343,337.86 - Step 6: Final answer
x = 155,182.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.