Finding the Fourth Proportional to 357,391.36, 493,095.04 and 221,525.12
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Solution
The fourth proportional to 357,391.36, 493,095.04 and 221,525.12 is: 305,639.56
Step by Step Solution
- Step 1: Write the proportion equation
357,391.36 : 493,095.04 = 221,525.12 : x - Step 2: Convert to fraction form
357,391.36/493,095.04 = 221,525.12/x - Step 3: Cross multiply
357,391.36x = 493,095.04 × 221,525.12 - Step 4: Simplify right side
357,391.36x = 109,232,937,907.41 - Step 5: Solve for x
x = 109,232,937,907.41/357,391.36 - Step 6: Final answer
x = 305,639.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.