Finding the Fourth Proportional to 303,643.20, 455,159.99 and 103,826.94
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Solution
The fourth proportional to 303,643.20, 455,159.99 and 103,826.94 is: 155,636.18
Step by Step Solution
- Step 1: Write the proportion equation
303,643.20 : 455,159.99 = 103,826.94 : x - Step 2: Convert to fraction form
303,643.20/455,159.99 = 103,826.94/x - Step 3: Cross multiply
303,643.20x = 455,159.99 × 103,826.94 - Step 4: Simplify right side
303,643.20x = 47,257,868,972.13 - Step 5: Solve for x
x = 47,257,868,972.13/303,643.20 - Step 6: Final answer
x = 155,636.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.