Finding the Fourth Proportional to 302,873.81, 454,521.51 and 125,381.75
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Solution
The fourth proportional to 302,873.81, 454,521.51 and 125,381.75 is: 188,159.88
Step by Step Solution
- Step 1: Write the proportion equation
302,873.81 : 454,521.51 = 125,381.75 : x - Step 2: Convert to fraction form
302,873.81/454,521.51 = 125,381.75/x - Step 3: Cross multiply
302,873.81x = 454,521.51 × 125,381.75 - Step 4: Simplify right side
302,873.81x = 56,988,700,063.84 - Step 5: Solve for x
x = 56,988,700,063.84/302,873.81 - Step 6: Final answer
x = 188,159.88
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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.