Finding the Fourth Proportional to 178,155.30, 245,853.60 and 97,587.84
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Solution
The fourth proportional to 178,155.30, 245,853.60 and 97,587.84 is: 134,670.83
Step by Step Solution
- Step 1: Write the proportion equation
178,155.30 : 245,853.60 = 97,587.84 : x - Step 2: Convert to fraction form
178,155.30/245,853.60 = 97,587.84/x - Step 3: Cross multiply
178,155.30x = 245,853.60 × 97,587.84 - Step 4: Simplify right side
178,155.30x = 23,992,321,780.22 - Step 5: Solve for x
x = 23,992,321,780.22/178,155.30 - Step 6: Final answer
x = 134,670.83
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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.