Finding the Fourth Proportional to 610,118.84, 914,633.94 and 310,431.80
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Solution
The fourth proportional to 610,118.84, 914,633.94 and 310,431.80 is: 465,370.75
Step by Step Solution
- Step 1: Write the proportion equation
610,118.84 : 914,633.94 = 310,431.80 : x - Step 2: Convert to fraction form
610,118.84/914,633.94 = 310,431.80/x - Step 3: Cross multiply
610,118.84x = 914,633.94 × 310,431.80 - Step 4: Simplify right side
610,118.84x = 283,931,460,335.29 - Step 5: Solve for x
x = 283,931,460,335.29/610,118.84 - Step 6: Final answer
x = 465,370.75
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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.