Finding the Fourth Proportional to 555,219.48, 766,188.72 and 310,206.09
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Solution
The fourth proportional to 555,219.48, 766,188.72 and 310,206.09 is: 428,076.49
Step by Step Solution
- Step 1: Write the proportion equation
555,219.48 : 766,188.72 = 310,206.09 : x - Step 2: Convert to fraction form
555,219.48/766,188.72 = 310,206.09/x - Step 3: Cross multiply
555,219.48x = 766,188.72 × 310,206.09 - Step 4: Simplify right side
555,219.48x = 237,676,407,033.31 - Step 5: Solve for x
x = 237,676,407,033.31/555,219.48 - Step 6: Final answer
x = 428,076.49
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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.