Finding the Fourth Proportional to 336,897.45, 504,909.14 and 136,985.13
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Solution
The fourth proportional to 336,897.45, 504,909.14 and 136,985.13 is: 205,299.99
Step by Step Solution
- Step 1: Write the proportion equation
336,897.45 : 504,909.14 = 136,985.13 : x - Step 2: Convert to fraction form
336,897.45/504,909.14 = 136,985.13/x - Step 3: Cross multiply
336,897.45x = 504,909.14 × 136,985.13 - Step 4: Simplify right side
336,897.45x = 69,165,043,496.16 - Step 5: Solve for x
x = 69,165,043,496.16/336,897.45 - Step 6: Final answer
x = 205,299.99
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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.