Finding the Fourth Proportional to 442,041.18, 609,856.74 and 289,166.46
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Solution
The fourth proportional to 442,041.18, 609,856.74 and 289,166.46 is: 398,944.99
Step by Step Solution
- Step 1: Write the proportion equation
442,041.18 : 609,856.74 = 289,166.46 : x - Step 2: Convert to fraction form
442,041.18/609,856.74 = 289,166.46/x - Step 3: Cross multiply
442,041.18x = 609,856.74 × 289,166.46 - Step 4: Simplify right side
442,041.18x = 176,350,114,612.94 - Step 5: Solve for x
x = 176,350,114,612.94/442,041.18 - Step 6: Final answer
x = 398,944.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.