Finding the Fourth Proportional to 492,405.13, 738,707.06 and 155,498.41
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Solution
The fourth proportional to 492,405.13, 738,707.06 and 155,498.41 is: 233,278.99
Step by Step Solution
- Step 1: Write the proportion equation
492,405.13 : 738,707.06 = 155,498.41 : x - Step 2: Convert to fraction form
492,405.13/738,707.06 = 155,498.41/x - Step 3: Cross multiply
492,405.13x = 738,707.06 × 155,498.41 - Step 4: Simplify right side
492,405.13x = 114,867,773,285.78 - Step 5: Solve for x
x = 114,867,773,285.78/492,405.13 - Step 6: Final answer
x = 233,278.99
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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.