Finding the Fourth Proportional to 663,721.68, 995,271.16 and 242,703.12
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Solution
The fourth proportional to 663,721.68, 995,271.16 and 242,703.12 is: 363,940.82
Step by Step Solution
- Step 1: Write the proportion equation
663,721.68 : 995,271.16 = 242,703.12 : x - Step 2: Convert to fraction form
663,721.68/995,271.16 = 242,703.12/x - Step 3: Cross multiply
663,721.68x = 995,271.16 × 242,703.12 - Step 4: Simplify right side
663,721.68x = 241,555,415,778.02 - Step 5: Solve for x
x = 241,555,415,778.02/663,721.68 - Step 6: Final answer
x = 363,940.82
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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.