Finding the Fourth Proportional to 307,466.98, 424,305.09 and 171,497.43
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Solution
The fourth proportional to 307,466.98, 424,305.09 and 171,497.43 is: 236,666.82
Step by Step Solution
- Step 1: Write the proportion equation
307,466.98 : 424,305.09 = 171,497.43 : x - Step 2: Convert to fraction form
307,466.98/424,305.09 = 171,497.43/x - Step 3: Cross multiply
307,466.98x = 424,305.09 × 171,497.43 - Step 4: Simplify right side
307,466.98x = 72,767,232,470.92 - Step 5: Solve for x
x = 72,767,232,470.92/307,466.98 - Step 6: Final answer
x = 236,666.82
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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.