Finding the Fourth Proportional to 316,526.57, 436,804.56 and 173,289.02
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Solution
The fourth proportional to 316,526.57, 436,804.56 and 173,289.02 is: 239,137.69
Step by Step Solution
- Step 1: Write the proportion equation
316,526.57 : 436,804.56 = 173,289.02 : x - Step 2: Convert to fraction form
316,526.57/436,804.56 = 173,289.02/x - Step 3: Cross multiply
316,526.57x = 436,804.56 × 173,289.02 - Step 4: Simplify right side
316,526.57x = 75,693,434,133.93 - Step 5: Solve for x
x = 75,693,434,133.93/316,526.57 - Step 6: Final answer
x = 239,137.69
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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.