Finding the Fourth Proportional to 572,630.94, 857,637.86 and 273,321.68
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Solution
The fourth proportional to 572,630.94, 857,637.86 and 273,321.68 is: 409,357.93
Step by Step Solution
- Step 1: Write the proportion equation
572,630.94 : 857,637.86 = 273,321.68 : x - Step 2: Convert to fraction form
572,630.94/857,637.86 = 273,321.68/x - Step 3: Cross multiply
572,630.94x = 857,637.86 × 273,321.68 - Step 4: Simplify right side
572,630.94x = 234,411,015,072.01 - Step 5: Solve for x
x = 234,411,015,072.01/572,630.94 - Step 6: Final answer
x = 409,357.93
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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.