Finding the Fourth Proportional to 178,545.96, 246,397.14 and 97,968.78
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Solution
The fourth proportional to 178,545.96, 246,397.14 and 97,968.78 is: 135,198.95
Step by Step Solution
- Step 1: Write the proportion equation
178,545.96 : 246,397.14 = 97,968.78 : x - Step 2: Convert to fraction form
178,545.96/246,397.14 = 97,968.78/x - Step 3: Cross multiply
178,545.96x = 246,397.14 × 97,968.78 - Step 4: Simplify right side
178,545.96x = 24,139,227,201.29 - Step 5: Solve for x
x = 24,139,227,201.29/178,545.96 - Step 6: Final answer
x = 135,198.95
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1.5x scale
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.