Finding the Fourth Proportional to 318,717.18, 477,964.35 and 94,017.96
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Solution
The fourth proportional to 318,717.18, 477,964.35 and 94,017.96 is: 140,994.07
Step by Step Solution
- Step 1: Write the proportion equation
318,717.18 : 477,964.35 = 94,017.96 : x - Step 2: Convert to fraction form
318,717.18/477,964.35 = 94,017.96/x - Step 3: Cross multiply
318,717.18x = 477,964.35 × 94,017.96 - Step 4: Simplify right side
318,717.18x = 44,937,233,139.73 - Step 5: Solve for x
x = 44,937,233,139.73/318,717.18 - Step 6: Final answer
x = 140,994.07
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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.