Finding the Fourth Proportional to 102,409.18, 153,634.68 and 58,055.74
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Solution
The fourth proportional to 102,409.18, 153,634.68 and 58,055.74 is: 87,095.46
Step by Step Solution
- Step 1: Write the proportion equation
102,409.18 : 153,634.68 = 58,055.74 : x - Step 2: Convert to fraction form
102,409.18/153,634.68 = 58,055.74/x - Step 3: Cross multiply
102,409.18x = 153,634.68 × 58,055.74 - Step 4: Simplify right side
102,409.18x = 8,919,375,037.06 - Step 5: Solve for x
x = 8,919,375,037.06/102,409.18 - Step 6: Final answer
x = 87,095.46
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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.