Finding the Fourth Proportional to 357,539.54, 493,474.91 and 202,518.54
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Solution
The fourth proportional to 357,539.54, 493,474.91 and 202,518.54 is: 279,515.43
Step by Step Solution
- Step 1: Write the proportion equation
357,539.54 : 493,474.91 = 202,518.54 : x - Step 2: Convert to fraction form
357,539.54/493,474.91 = 202,518.54/x - Step 3: Cross multiply
357,539.54x = 493,474.91 × 202,518.54 - Step 4: Simplify right side
357,539.54x = 99,937,817,287.24 - Step 5: Solve for x
x = 99,937,817,287.24/357,539.54 - Step 6: Final answer
x = 279,515.43
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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.