Finding the Fourth Proportional to 415,959.00, 623,982.39 and 131,688.79
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Solution
The fourth proportional to 415,959.00, 623,982.39 and 131,688.79 is: 197,547.08
Step by Step Solution
- Step 1: Write the proportion equation
415,959.00 : 623,982.39 = 131,688.79 : x - Step 2: Convert to fraction form
415,959.00/623,982.39 = 131,688.79/x - Step 3: Cross multiply
415,959.00x = 623,982.39 × 131,688.79 - Step 4: Simplify right side
415,959.00x = 82,171,483,866.62 - Step 5: Solve for x
x = 82,171,483,866.62/415,959.00 - Step 6: Final answer
x = 197,547.08
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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.