Finding the Fourth Proportional to 663,543.84, 995,487.36 and 190,263.84
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Solution
The fourth proportional to 663,543.84, 995,487.36 and 190,263.84 is: 285,444.96
Step by Step Solution
- Step 1: Write the proportion equation
663,543.84 : 995,487.36 = 190,263.84 : x - Step 2: Convert to fraction form
663,543.84/995,487.36 = 190,263.84/x - Step 3: Cross multiply
663,543.84x = 995,487.36 × 190,263.84 - Step 4: Simplify right side
663,543.84x = 189,405,247,785.06 - Step 5: Solve for x
x = 189,405,247,785.06/663,543.84 - Step 6: Final answer
x = 285,444.96
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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.