Finding the Fourth Proportional to 92,162.99, 138,244.34 and 28,988.66
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Solution
The fourth proportional to 92,162.99, 138,244.34 and 28,988.66 is: 43,482.95
Step by Step Solution
- Step 1: Write the proportion equation
92,162.99 : 138,244.34 = 28,988.66 : x - Step 2: Convert to fraction form
92,162.99/138,244.34 = 28,988.66/x - Step 3: Cross multiply
92,162.99x = 138,244.34 × 28,988.66 - Step 4: Simplify right side
92,162.99x = 4,007,518,587.27 - Step 5: Solve for x
x = 4,007,518,587.27/92,162.99 - Step 6: Final answer
x = 43,482.95
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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.