Finding the Fourth Proportional to 147,134.53, 203,039.49 and 83,484.19
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Solution
The fourth proportional to 147,134.53, 203,039.49 and 83,484.19 is: 115,204.69
Step by Step Solution
- Step 1: Write the proportion equation
147,134.53 : 203,039.49 = 83,484.19 : x - Step 2: Convert to fraction form
147,134.53/203,039.49 = 83,484.19/x - Step 3: Cross multiply
147,134.53x = 203,039.49 × 83,484.19 - Step 4: Simplify right side
147,134.53x = 16,950,587,360.66 - Step 5: Solve for x
x = 16,950,587,360.66/147,134.53 - Step 6: Final answer
x = 115,204.69
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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.