Finding the Fourth Proportional to 279,193.14, 418,547.79 and 112,873.14
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Solution
The fourth proportional to 279,193.14, 418,547.79 and 112,873.14 is: 169,211.91
Step by Step Solution
- Step 1: Write the proportion equation
279,193.14 : 418,547.79 = 112,873.14 : x - Step 2: Convert to fraction form
279,193.14/418,547.79 = 112,873.14/x - Step 3: Cross multiply
279,193.14x = 418,547.79 × 112,873.14 - Step 4: Simplify right side
279,193.14x = 47,242,803,297.36 - Step 5: Solve for x
x = 47,242,803,297.36/279,193.14 - Step 6: Final answer
x = 169,211.91
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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.