Finding the Fourth Proportional to 438,087.63, 656,848.92 and 171,875.07
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Solution
The fourth proportional to 438,087.63, 656,848.92 and 171,875.07 is: 257,701.76
Step by Step Solution
- Step 1: Write the proportion equation
438,087.63 : 656,848.92 = 171,875.07 : x - Step 2: Convert to fraction form
438,087.63/656,848.92 = 171,875.07/x - Step 3: Cross multiply
438,087.63x = 656,848.92 × 171,875.07 - Step 4: Simplify right side
438,087.63x = 112,895,954,104.42 - Step 5: Solve for x
x = 112,895,954,104.42/438,087.63 - Step 6: Final answer
x = 257,701.76
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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.