Finding the Fourth Proportional to 131,506.60, 197,279.58 and 48,394.28
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Solution
The fourth proportional to 131,506.60, 197,279.58 and 48,394.28 is: 72,598.66
Step by Step Solution
- Step 1: Write the proportion equation
131,506.60 : 197,279.58 = 48,394.28 : x - Step 2: Convert to fraction form
131,506.60/197,279.58 = 48,394.28/x - Step 3: Cross multiply
131,506.60x = 197,279.58 × 48,394.28 - Step 4: Simplify right side
131,506.60x = 9,547,203,232.80 - Step 5: Solve for x
x = 9,547,203,232.80/131,506.60 - Step 6: Final answer
x = 72,598.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.