Finding the Fourth Proportional to 314,237.08, 433,656.97 and 178,276.76
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Solution
The fourth proportional to 314,237.08, 433,656.97 and 178,276.76 is: 246,027.49
Step by Step Solution
- Step 1: Write the proportion equation
314,237.08 : 433,656.97 = 178,276.76 : x - Step 2: Convert to fraction form
314,237.08/433,656.97 = 178,276.76/x - Step 3: Cross multiply
314,237.08x = 433,656.97 × 178,276.76 - Step 4: Simplify right side
314,237.08x = 77,310,959,563.02 - Step 5: Solve for x
x = 77,310,959,563.02/314,237.08 - Step 6: Final answer
x = 246,027.49
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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.