Finding the Fourth Proportional to 468,832.46, 646,990.47 and 253,971.99
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Solution
The fourth proportional to 468,832.46, 646,990.47 and 253,971.99 is: 350,482.26
Step by Step Solution
- Step 1: Write the proportion equation
468,832.46 : 646,990.47 = 253,971.99 : x - Step 2: Convert to fraction form
468,832.46/646,990.47 = 253,971.99/x - Step 3: Cross multiply
468,832.46x = 646,990.47 × 253,971.99 - Step 4: Simplify right side
468,832.46x = 164,317,457,176.94 - Step 5: Solve for x
x = 164,317,457,176.94/468,832.46 - Step 6: Final answer
x = 350,482.26
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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.