Finding the Fourth Proportional to 152,376.63, 210,281.54 and 84,394.92
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Solution
The fourth proportional to 152,376.63, 210,281.54 and 84,394.92 is: 116,465.99
Step by Step Solution
- Step 1: Write the proportion equation
152,376.63 : 210,281.54 = 84,394.92 : x - Step 2: Convert to fraction form
152,376.63/210,281.54 = 84,394.92/x - Step 3: Cross multiply
152,376.63x = 210,281.54 × 84,394.92 - Step 4: Simplify right side
152,376.63x = 17,746,694,112.36 - Step 5: Solve for x
x = 17,746,694,112.36/152,376.63 - Step 6: Final answer
x = 116,465.99
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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.