Finding the Fourth Proportional to 178,114.14, 245,789.64 and 97,545.06
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Solution
The fourth proportional to 178,114.14, 245,789.64 and 97,545.06 is: 134,607.87
Step by Step Solution
- Step 1: Write the proportion equation
178,114.14 : 245,789.64 = 97,545.06 : x - Step 2: Convert to fraction form
178,114.14/245,789.64 = 97,545.06/x - Step 3: Cross multiply
178,114.14x = 245,789.64 × 97,545.06 - Step 4: Simplify right side
178,114.14x = 23,975,565,181.18 - Step 5: Solve for x
x = 23,975,565,181.18/178,114.14 - Step 6: Final answer
x = 134,607.87
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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.