Finding the Fourth Proportional to 626,353.68, 939,497.04 and 221,517.84
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Solution
The fourth proportional to 626,353.68, 939,497.04 and 221,517.84 is: 332,264.92
Step by Step Solution
- Step 1: Write the proportion equation
626,353.68 : 939,497.04 = 221,517.84 : x - Step 2: Convert to fraction form
626,353.68/939,497.04 = 221,517.84/x - Step 3: Cross multiply
626,353.68x = 939,497.04 × 221,517.84 - Step 4: Simplify right side
626,353.68x = 208,115,354,987.19 - Step 5: Solve for x
x = 208,115,354,987.19/626,353.68 - Step 6: Final answer
x = 332,264.92
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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.