Finding the Fourth Proportional to 153,374.14, 211,601.53 and 88,808.13
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Solution
The fourth proportional to 153,374.14, 211,601.53 and 88,808.13 is: 122,523.50
Step by Step Solution
- Step 1: Write the proportion equation
153,374.14 : 211,601.53 = 88,808.13 : x - Step 2: Convert to fraction form
153,374.14/211,601.53 = 88,808.13/x - Step 3: Cross multiply
153,374.14x = 211,601.53 × 88,808.13 - Step 4: Simplify right side
153,374.14x = 18,791,936,184.44 - Step 5: Solve for x
x = 18,791,936,184.44/153,374.14 - Step 6: Final answer
x = 122,523.50
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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.