Finding the Fourth Proportional to 317,772.36, 438,526.08 and 174,539.52
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Solution
The fourth proportional to 317,772.36, 438,526.08 and 174,539.52 is: 240,864.66
Step by Step Solution
- Step 1: Write the proportion equation
317,772.36 : 438,526.08 = 174,539.52 : x - Step 2: Convert to fraction form
317,772.36/438,526.08 = 174,539.52/x - Step 3: Cross multiply
317,772.36x = 438,526.08 × 174,539.52 - Step 4: Simplify right side
317,772.36x = 76,540,131,510.68 - Step 5: Solve for x
x = 76,540,131,510.68/317,772.36 - Step 6: Final answer
x = 240,864.66
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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.