Finding the Fourth Proportional to 347,924.52, 521,987.94 and 145,616.09
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Solution
The fourth proportional to 347,924.52, 521,987.94 and 145,616.09 is: 218,466.47
Step by Step Solution
- Step 1: Write the proportion equation
347,924.52 : 521,987.94 = 145,616.09 : x - Step 2: Convert to fraction form
347,924.52/521,987.94 = 145,616.09/x - Step 3: Cross multiply
347,924.52x = 521,987.94 × 145,616.09 - Step 4: Simplify right side
347,924.52x = 76,009,840,240.01 - Step 5: Solve for x
x = 76,009,840,240.01/347,924.52 - Step 6: Final answer
x = 218,466.47
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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.