Finding the Fourth Proportional to 631,533.44, 947,286.84 and 205,068.80
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Solution
The fourth proportional to 631,533.44, 947,286.84 and 205,068.80 is: 307,598.87
Step by Step Solution
- Step 1: Write the proportion equation
631,533.44 : 947,286.84 = 205,068.80 : x - Step 2: Convert to fraction form
631,533.44/947,286.84 = 205,068.80/x - Step 3: Cross multiply
631,533.44x = 947,286.84 × 205,068.80 - Step 4: Simplify right side
631,533.44x = 194,258,975,534.59 - Step 5: Solve for x
x = 194,258,975,534.59/631,533.44 - Step 6: Final answer
x = 307,598.87
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1.5x scale
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.