Finding the Fourth Proportional to 102,875.46, 154,340.91 and 42,883.99
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Solution
The fourth proportional to 102,875.46, 154,340.91 and 42,883.99 is: 64,337.54
Step by Step Solution
- Step 1: Write the proportion equation
102,875.46 : 154,340.91 = 42,883.99 : x - Step 2: Convert to fraction form
102,875.46/154,340.91 = 42,883.99/x - Step 3: Cross multiply
102,875.46x = 154,340.91 × 42,883.99 - Step 4: Simplify right side
102,875.46x = 6,618,754,041.03 - Step 5: Solve for x
x = 6,618,754,041.03/102,875.46 - Step 6: Final answer
x = 64,337.54
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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.