Finding the Fourth Proportional to 239,259.99, 330,186.26 and 137,304.10
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Solution
The fourth proportional to 239,259.99, 330,186.26 and 137,304.10 is: 189,483.95
Step by Step Solution
- Step 1: Write the proportion equation
239,259.99 : 330,186.26 = 137,304.10 : x - Step 2: Convert to fraction form
239,259.99/330,186.26 = 137,304.10/x - Step 3: Cross multiply
239,259.99x = 330,186.26 × 137,304.10 - Step 4: Simplify right side
239,259.99x = 45,335,927,261.67 - Step 5: Solve for x
x = 45,335,927,261.67/239,259.99 - Step 6: Final answer
x = 189,483.95
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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.