Finding the Fourth Proportional to 134,220.35, 201,320.06 and 78,024.62
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Solution
The fourth proportional to 134,220.35, 201,320.06 and 78,024.62 is: 117,030.85
Step by Step Solution
- Step 1: Write the proportion equation
134,220.35 : 201,320.06 = 78,024.62 : x - Step 2: Convert to fraction form
134,220.35/201,320.06 = 78,024.62/x - Step 3: Cross multiply
134,220.35x = 201,320.06 × 78,024.62 - Step 4: Simplify right side
134,220.35x = 15,707,921,293.05 - Step 5: Solve for x
x = 15,707,921,293.05/134,220.35 - Step 6: Final answer
x = 117,030.85
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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.