Finding the Fourth Proportional to 152,343.09, 210,246.36 and 84,376.59
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Solution
The fourth proportional to 152,343.09, 210,246.36 and 84,376.59 is: 116,446.84
Step by Step Solution
- Step 1: Write the proportion equation
152,343.09 : 210,246.36 = 84,376.59 : x - Step 2: Convert to fraction form
152,343.09/210,246.36 = 84,376.59/x - Step 3: Cross multiply
152,343.09x = 210,246.36 × 84,376.59 - Step 4: Simplify right side
152,343.09x = 17,739,870,916.71 - Step 5: Solve for x
x = 17,739,870,916.71/152,343.09 - Step 6: Final answer
x = 116,446.84
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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.