Finding the Fourth Proportional to 314,948.93, 434,610.79 and 178,964.00
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Solution
The fourth proportional to 314,948.93, 434,610.79 and 178,964.00 is: 246,959.68
Step by Step Solution
- Step 1: Write the proportion equation
314,948.93 : 434,610.79 = 178,964.00 : x - Step 2: Convert to fraction form
314,948.93/434,610.79 = 178,964.00/x - Step 3: Cross multiply
314,948.93x = 434,610.79 × 178,964.00 - Step 4: Simplify right side
314,948.93x = 77,779,684,934.22 - Step 5: Solve for x
x = 77,779,684,934.22/314,948.93 - Step 6: Final answer
x = 246,959.68
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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.