Finding the Fourth Proportional to 194,440.50, 291,689.91 and 69,810.66
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Solution
The fourth proportional to 194,440.50, 291,689.91 and 69,810.66 is: 104,726.46
Step by Step Solution
- Step 1: Write the proportion equation
194,440.50 : 291,689.91 = 69,810.66 : x - Step 2: Convert to fraction form
194,440.50/291,689.91 = 69,810.66/x - Step 3: Cross multiply
194,440.50x = 291,689.91 × 69,810.66 - Step 4: Simplify right side
194,440.50x = 20,363,065,132.44 - Step 5: Solve for x
x = 20,363,065,132.44/194,440.50 - Step 6: Final answer
x = 104,726.46
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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.