Finding the Fourth Proportional to 178,209.08, 245,928.53 and 97,639.66
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Solution
The fourth proportional to 178,209.08, 245,928.53 and 97,639.66 is: 134,742.72
Step by Step Solution
- Step 1: Write the proportion equation
178,209.08 : 245,928.53 = 97,639.66 : x - Step 2: Convert to fraction form
178,209.08/245,928.53 = 97,639.66/x - Step 3: Cross multiply
178,209.08x = 245,928.53 × 97,639.66 - Step 4: Simplify right side
178,209.08x = 24,012,376,335.66 - Step 5: Solve for x
x = 24,012,376,335.66/178,209.08 - Step 6: Final answer
x = 134,742.72
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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.