Finding the Fourth Proportional to 307,440.63, 424,268.06 and 173,304.63
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Solution
The fourth proportional to 307,440.63, 424,268.06 and 173,304.63 is: 239,160.38
Step by Step Solution
- Step 1: Write the proportion equation
307,440.63 : 424,268.06 = 173,304.63 : x - Step 2: Convert to fraction form
307,440.63/424,268.06 = 173,304.63/x - Step 3: Cross multiply
307,440.63x = 424,268.06 × 173,304.63 - Step 4: Simplify right side
307,440.63x = 73,527,617,471.04 - Step 5: Solve for x
x = 73,527,617,471.04/307,440.63 - Step 6: Final answer
x = 239,160.38
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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.