Finding the Fourth Proportional to 545,833.80, 818,750.70 and 305,701.20
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Solution
The fourth proportional to 545,833.80, 818,750.70 and 305,701.20 is: 458,551.80
Step by Step Solution
- Step 1: Write the proportion equation
545,833.80 : 818,750.70 = 305,701.20 : x - Step 2: Convert to fraction form
545,833.80/818,750.70 = 305,701.20/x - Step 3: Cross multiply
545,833.80x = 818,750.70 × 305,701.20 - Step 4: Simplify right side
545,833.80x = 250,293,071,490.84 - Step 5: Solve for x
x = 250,293,071,490.84/545,833.80 - Step 6: Final answer
x = 458,551.80
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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.