Finding the Fourth Proportional to 203,547.60, 305,070.30 and 147,579.84
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Solution
The fourth proportional to 203,547.60, 305,070.30 and 147,579.84 is: 221,187.70
Step by Step Solution
- Step 1: Write the proportion equation
203,547.60 : 305,070.30 = 147,579.84 : x - Step 2: Convert to fraction form
203,547.60/305,070.30 = 147,579.84/x - Step 3: Cross multiply
203,547.60x = 305,070.30 × 147,579.84 - Step 4: Simplify right side
203,547.60x = 45,022,226,062.75 - Step 5: Solve for x
x = 45,022,226,062.75/203,547.60 - Step 6: Final answer
x = 221,187.70
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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.