Finding the Fourth Proportional to 545,862.12, 753,279.77 and 304,139.52
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Solution
The fourth proportional to 545,862.12, 753,279.77 and 304,139.52 is: 419,706.99
Step by Step Solution
- Step 1: Write the proportion equation
545,862.12 : 753,279.77 = 304,139.52 : x - Step 2: Convert to fraction form
545,862.12/753,279.77 = 304,139.52/x - Step 3: Cross multiply
545,862.12x = 753,279.77 × 304,139.52 - Step 4: Simplify right side
545,862.12x = 229,102,146,152.81 - Step 5: Solve for x
x = 229,102,146,152.81/545,862.12 - Step 6: Final answer
x = 419,706.99
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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.