Finding the Fourth Proportional to 101,613.20, 152,368.68 and 48,289.28
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Solution
The fourth proportional to 101,613.20, 152,368.68 and 48,289.28 is: 72,409.63
Step by Step Solution
- Step 1: Write the proportion equation
101,613.20 : 152,368.68 = 48,289.28 : x - Step 2: Convert to fraction form
101,613.20/152,368.68 = 48,289.28/x - Step 3: Cross multiply
101,613.20x = 152,368.68 × 48,289.28 - Step 4: Simplify right side
101,613.20x = 7,357,773,851.75 - Step 5: Solve for x
x = 7,357,773,851.75/101,613.20 - Step 6: Final answer
x = 72,409.63
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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.