Finding the Fourth Proportional to 235,701.63, 325,211.36 and 138,909.47
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Solution
The fourth proportional to 235,701.63, 325,211.36 and 138,909.47 is: 191,661.53
Step by Step Solution
- Step 1: Write the proportion equation
235,701.63 : 325,211.36 = 138,909.47 : x - Step 2: Convert to fraction form
235,701.63/325,211.36 = 138,909.47/x - Step 3: Cross multiply
235,701.63x = 325,211.36 × 138,909.47 - Step 4: Simplify right side
235,701.63x = 45,174,935,334.98 - Step 5: Solve for x
x = 45,174,935,334.98/235,701.63 - Step 6: Final answer
x = 191,661.53
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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.