Finding the Fourth Proportional to 310,958.58, 466,436.28 and 121,438.19
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Solution
The fourth proportional to 310,958.58, 466,436.28 and 121,438.19 is: 182,156.66
Step by Step Solution
- Step 1: Write the proportion equation
310,958.58 : 466,436.28 = 121,438.19 : x - Step 2: Convert to fraction form
310,958.58/466,436.28 = 121,438.19/x - Step 3: Cross multiply
310,958.58x = 466,436.28 × 121,438.19 - Step 4: Simplify right side
310,958.58x = 56,643,175,261.35 - Step 5: Solve for x
x = 56,643,175,261.35/310,958.58 - Step 6: Final answer
x = 182,156.66
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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.