Finding the Fourth Proportional to 202,140.79, 279,068.56 and 134,274.08
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Solution
The fourth proportional to 202,140.79, 279,068.56 and 134,274.08 is: 185,374.14
Step by Step Solution
- Step 1: Write the proportion equation
202,140.79 : 279,068.56 = 134,274.08 : x - Step 2: Convert to fraction form
202,140.79/279,068.56 = 134,274.08/x - Step 3: Cross multiply
202,140.79x = 279,068.56 × 134,274.08 - Step 4: Simplify right side
202,140.79x = 37,471,674,512.91 - Step 5: Solve for x
x = 37,471,674,512.91/202,140.79 - Step 6: Final answer
x = 185,374.14
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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.