Finding the Fourth Proportional to 314,239.71, 433,659.93 and 171,008.99
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Solution
The fourth proportional to 314,239.71, 433,659.93 and 171,008.99 is: 235,997.37
Step by Step Solution
- Step 1: Write the proportion equation
314,239.71 : 433,659.93 = 171,008.99 : x - Step 2: Convert to fraction form
314,239.71/433,659.93 = 171,008.99/x - Step 3: Cross multiply
314,239.71x = 433,659.93 × 171,008.99 - Step 4: Simplify right side
314,239.71x = 74,159,745,777.73 - Step 5: Solve for x
x = 74,159,745,777.73/314,239.71 - Step 6: Final answer
x = 235,997.37
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1.5x scale
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.