Finding the Fourth Proportional to 117,233.64, 175,726.53 and 38,326.68
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Solution
The fourth proportional to 117,233.64, 175,726.53 and 38,326.68 is: 57,449.50
Step by Step Solution
- Step 1: Write the proportion equation
117,233.64 : 175,726.53 = 38,326.68 : x - Step 2: Convert to fraction form
117,233.64/175,726.53 = 38,326.68/x - Step 3: Cross multiply
117,233.64x = 175,726.53 × 38,326.68 - Step 4: Simplify right side
117,233.64x = 6,735,014,482.82 - Step 5: Solve for x
x = 6,735,014,482.82/117,233.64 - Step 6: Final answer
x = 57,449.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.