Finding the Fourth Proportional to 145,932.90, 218,780.49 and 97,950.99
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Solution
The fourth proportional to 145,932.90, 218,780.49 and 97,950.99 is: 146,846.71
Step by Step Solution
- Step 1: Write the proportion equation
145,932.90 : 218,780.49 = 97,950.99 : x - Step 2: Convert to fraction form
145,932.90/218,780.49 = 97,950.99/x - Step 3: Cross multiply
145,932.90x = 218,780.49 × 97,950.99 - Step 4: Simplify right side
145,932.90x = 21,429,765,588.19 - Step 5: Solve for x
x = 21,429,765,588.19/145,932.90 - Step 6: Final answer
x = 146,846.71
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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.