Finding the Fourth Proportional to 114,387.93, 157,861.17 and 63,406.08
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Solution
The fourth proportional to 114,387.93, 157,861.17 and 63,406.08 is: 87,503.62
Step by Step Solution
- Step 1: Write the proportion equation
114,387.93 : 157,861.17 = 63,406.08 : x - Step 2: Convert to fraction form
114,387.93/157,861.17 = 63,406.08/x - Step 3: Cross multiply
114,387.93x = 157,861.17 × 63,406.08 - Step 4: Simplify right side
114,387.93x = 10,009,357,973.91 - Step 5: Solve for x
x = 10,009,357,973.91/114,387.93 - Step 6: Final answer
x = 87,503.62
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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.