Finding the Fourth Proportional to 282,188.70, 423,428.30 and 187,484.09
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Solution
The fourth proportional to 282,188.70, 423,428.30 and 187,484.09 is: 281,322.63
Step by Step Solution
- Step 1: Write the proportion equation
282,188.70 : 423,428.30 = 187,484.09 : x - Step 2: Convert to fraction form
282,188.70/423,428.30 = 187,484.09/x - Step 3: Cross multiply
282,188.70x = 423,428.30 × 187,484.09 - Step 4: Simplify right side
282,188.70x = 79,386,066,451.19 - Step 5: Solve for x
x = 79,386,066,451.19/282,188.70 - Step 6: Final answer
x = 281,322.63
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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.