Finding the Fourth Proportional to 115,603.20, 173,437.20 and 56,440.80
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Solution
The fourth proportional to 115,603.20, 173,437.20 and 56,440.80 is: 84,677.02
Step by Step Solution
- Step 1: Write the proportion equation
115,603.20 : 173,437.20 = 56,440.80 : x - Step 2: Convert to fraction form
115,603.20/173,437.20 = 56,440.80/x - Step 3: Cross multiply
115,603.20x = 173,437.20 × 56,440.80 - Step 4: Simplify right side
115,603.20x = 9,788,934,317.76 - Step 5: Solve for x
x = 9,788,934,317.76/115,603.20 - Step 6: Final answer
x = 84,677.02
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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.