Finding the Fourth Proportional to 154,788.84, 232,018.68 and 98,451.72
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Solution
The fourth proportional to 154,788.84, 232,018.68 and 98,451.72 is: 147,572.90
Step by Step Solution
- Step 1: Write the proportion equation
154,788.84 : 232,018.68 = 98,451.72 : x - Step 2: Convert to fraction form
154,788.84/232,018.68 = 98,451.72/x - Step 3: Cross multiply
154,788.84x = 232,018.68 × 98,451.72 - Step 4: Simplify right side
154,788.84x = 22,842,638,118.13 - Step 5: Solve for x
x = 22,842,638,118.13/154,788.84 - Step 6: Final answer
x = 147,572.90
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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.