Finding the Fourth Proportional to 718,202.30, 1,077,460.79 and 212,802.93
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Solution
The fourth proportional to 718,202.30, 1,077,460.79 and 212,802.93 is: 319,251.02
Step by Step Solution
- Step 1: Write the proportion equation
718,202.30 : 1,077,460.79 = 212,802.93 : x - Step 2: Convert to fraction form
718,202.30/1,077,460.79 = 212,802.93/x - Step 3: Cross multiply
718,202.30x = 1,077,460.79 × 212,802.93 - Step 4: Simplify right side
718,202.30x = 229,286,812,008.10 - Step 5: Solve for x
x = 229,286,812,008.10/718,202.30 - Step 6: Final answer
x = 319,251.02
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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.