Finding the Fourth Proportional to 148,811.07, 205,240.45 and 97,876.09
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Solution
The fourth proportional to 148,811.07, 205,240.45 and 97,876.09 is: 134,990.85
Step by Step Solution
- Step 1: Write the proportion equation
148,811.07 : 205,240.45 = 97,876.09 : x - Step 2: Convert to fraction form
148,811.07/205,240.45 = 97,876.09/x - Step 3: Cross multiply
148,811.07x = 205,240.45 × 97,876.09 - Step 4: Simplify right side
148,811.07x = 20,088,132,755.84 - Step 5: Solve for x
x = 20,088,132,755.84/148,811.07 - Step 6: Final answer
x = 134,990.85
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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.