Finding the Fourth Proportional to 482,642.40, 723,250.80 and 349,802.40
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Solution
The fourth proportional to 482,642.40, 723,250.80 and 349,802.40 is: 524,186.99
Step by Step Solution
- Step 1: Write the proportion equation
482,642.40 : 723,250.80 = 349,802.40 : x - Step 2: Convert to fraction form
482,642.40/723,250.80 = 349,802.40/x - Step 3: Cross multiply
482,642.40x = 723,250.80 × 349,802.40 - Step 4: Simplify right side
482,642.40x = 252,994,865,641.92 - Step 5: Solve for x
x = 252,994,865,641.92/482,642.40 - Step 6: Final answer
x = 524,186.99
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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.