Finding the Fourth Proportional to 314,052.48, 433,394.64 and 170,817.12
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Solution
The fourth proportional to 314,052.48, 433,394.64 and 170,817.12 is: 235,728.83
Step by Step Solution
- Step 1: Write the proportion equation
314,052.48 : 433,394.64 = 170,817.12 : x - Step 2: Convert to fraction form
314,052.48/433,394.64 = 170,817.12/x - Step 3: Cross multiply
314,052.48x = 433,394.64 × 170,817.12 - Step 4: Simplify right side
314,052.48x = 74,031,224,228.24 - Step 5: Solve for x
x = 74,031,224,228.24/314,052.48 - Step 6: Final answer
x = 235,728.83
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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.