Finding the Fourth Proportional to 435,138.09, 652,711.63 and 131,534.76
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Solution
The fourth proportional to 435,138.09, 652,711.63 and 131,534.76 is: 197,303.50
Step by Step Solution
- Step 1: Write the proportion equation
435,138.09 : 652,711.63 = 131,534.76 : x - Step 2: Convert to fraction form
435,138.09/652,711.63 = 131,534.76/x - Step 3: Cross multiply
435,138.09x = 652,711.63 × 131,534.76 - Step 4: Simplify right side
435,138.09x = 85,854,267,601.26 - Step 5: Solve for x
x = 85,854,267,601.26/435,138.09 - Step 6: Final answer
x = 197,303.50
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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.