Finding the Fourth Proportional to 545,798.24, 818,844.98 and 309,306.99
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Solution
The fourth proportional to 545,798.24, 818,844.98 and 309,306.99 is: 464,044.14
Step by Step Solution
- Step 1: Write the proportion equation
545,798.24 : 818,844.98 = 309,306.99 : x - Step 2: Convert to fraction form
545,798.24/818,844.98 = 309,306.99/x - Step 3: Cross multiply
545,798.24x = 818,844.98 × 309,306.99 - Step 4: Simplify right side
545,798.24x = 253,274,476,040.41 - Step 5: Solve for x
x = 253,274,476,040.41/545,798.24 - Step 6: Final answer
x = 464,044.14
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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.