Finding the Fourth Proportional to 178,156.20, 245,855.66 and 97,585.08
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Solution
The fourth proportional to 178,156.20, 245,855.66 and 97,585.08 is: 134,667.47
Step by Step Solution
- Step 1: Write the proportion equation
178,156.20 : 245,855.66 = 97,585.08 : x - Step 2: Convert to fraction form
178,156.20/245,855.66 = 97,585.08/x - Step 3: Cross multiply
178,156.20x = 245,855.66 × 97,585.08 - Step 4: Simplify right side
178,156.20x = 23,991,844,249.55 - Step 5: Solve for x
x = 23,991,844,249.55/178,156.20 - Step 6: Final answer
x = 134,667.47
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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.