Finding the Fourth Proportional to 216,677.31, 324,957.64 and 76,417.71
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Solution
The fourth proportional to 216,677.31, 324,957.64 and 76,417.71 is: 114,605.99
Step by Step Solution
- Step 1: Write the proportion equation
216,677.31 : 324,957.64 = 76,417.71 : x - Step 2: Convert to fraction form
216,677.31/324,957.64 = 76,417.71/x - Step 3: Cross multiply
216,677.31x = 324,957.64 × 76,417.71 - Step 4: Simplify right side
216,677.31x = 24,832,518,695.80 - Step 5: Solve for x
x = 24,832,518,695.80/216,677.31 - Step 6: Final answer
x = 114,605.99
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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.