Finding the Fourth Proportional to 178,999.84, 247,023.84 and 98,431.84
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Solution
The fourth proportional to 178,999.84, 247,023.84 and 98,431.84 is: 135,838.17
Step by Step Solution
- Step 1: Write the proportion equation
178,999.84 : 247,023.84 = 98,431.84 : x - Step 2: Convert to fraction form
178,999.84/247,023.84 = 98,431.84/x - Step 3: Cross multiply
178,999.84x = 247,023.84 × 98,431.84 - Step 4: Simplify right side
178,999.84x = 24,315,011,095.07 - Step 5: Solve for x
x = 24,315,011,095.07/178,999.84 - Step 6: Final answer
x = 135,838.17
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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.