Finding the Fourth Proportional to 347,401.09, 520,935.18 and 169,700.05
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Solution
The fourth proportional to 347,401.09, 520,935.18 and 169,700.05 is: 254,468.76
Step by Step Solution
- Step 1: Write the proportion equation
347,401.09 : 520,935.18 = 169,700.05 : x - Step 2: Convert to fraction form
347,401.09/520,935.18 = 169,700.05/x - Step 3: Cross multiply
347,401.09x = 520,935.18 × 169,700.05 - Step 4: Simplify right side
347,401.09x = 88,402,726,092.76 - Step 5: Solve for x
x = 88,402,726,092.76/347,401.09 - Step 6: Final answer
x = 254,468.76
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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.