Finding the Fourth Proportional to 409,730.63, 614,595.99 and 129,269.75
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Solution
The fourth proportional to 409,730.63, 614,595.99 and 129,269.75 is: 193,904.64
Step by Step Solution
- Step 1: Write the proportion equation
409,730.63 : 614,595.99 = 129,269.75 : x - Step 2: Convert to fraction form
409,730.63/614,595.99 = 129,269.75/x - Step 3: Cross multiply
409,730.63x = 614,595.99 × 129,269.75 - Step 4: Simplify right side
409,730.63x = 79,448,669,978.30 - Step 5: Solve for x
x = 79,448,669,978.30/409,730.63 - Step 6: Final answer
x = 193,904.64
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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.