Finding the Fourth Proportional to 343,108.41, 473,421.99 and 215,709.99
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Solution
The fourth proportional to 343,108.41, 473,421.99 and 215,709.99 is: 297,637.28
Step by Step Solution
- Step 1: Write the proportion equation
343,108.41 : 473,421.99 = 215,709.99 : x - Step 2: Convert to fraction form
343,108.41/473,421.99 = 215,709.99/x - Step 3: Cross multiply
343,108.41x = 473,421.99 × 215,709.99 - Step 4: Simplify right side
343,108.41x = 102,121,852,728.68 - Step 5: Solve for x
x = 102,121,852,728.68/343,108.41 - Step 6: Final answer
x = 297,637.28
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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.