Finding the Fourth Proportional to 186,140.40, 279,210.62 and 130,089.98
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Solution
The fourth proportional to 186,140.40, 279,210.62 and 130,089.98 is: 195,134.98
Step by Step Solution
- Step 1: Write the proportion equation
186,140.40 : 279,210.62 = 130,089.98 : x - Step 2: Convert to fraction form
186,140.40/279,210.62 = 130,089.98/x - Step 3: Cross multiply
186,140.40x = 279,210.62 × 130,089.98 - Step 4: Simplify right side
186,140.40x = 36,322,503,971.59 - Step 5: Solve for x
x = 36,322,503,971.59/186,140.40 - Step 6: Final answer
x = 195,134.98
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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.