Finding the Fourth Proportional to 479,211.44, 718,547.40 and 159,192
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Solution
The fourth proportional to 479,211.44, 718,547.40 and 159,192 is: 238,698.39
Step by Step Solution
- Step 1: Write the proportion equation
479,211.44 : 718,547.40 = 159,192 : x - Step 2: Convert to fraction form
479,211.44/718,547.40 = 159,192/x - Step 3: Cross multiply
479,211.44x = 718,547.40 × 159,192 - Step 4: Simplify right side
479,211.44x = 114,386,997,700.80 - Step 5: Solve for x
x = 114,386,997,700.80/479,211.44 - Step 6: Final answer
x = 238,698.39
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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.