Finding the Fourth Proportional to 545,473.68, 752,753.52 and 319,163.04
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Solution
The fourth proportional to 545,473.68, 752,753.52 and 319,163.04 is: 440,444.90
Step by Step Solution
- Step 1: Write the proportion equation
545,473.68 : 752,753.52 = 319,163.04 : x - Step 2: Convert to fraction form
545,473.68/752,753.52 = 319,163.04/x - Step 3: Cross multiply
545,473.68x = 752,753.52 × 319,163.04 - Step 4: Simplify right side
545,473.68x = 240,251,101,813.90 - Step 5: Solve for x
x = 240,251,101,813.90/545,473.68 - Step 6: Final answer
x = 440,444.90
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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.