Finding the Fourth Proportional to 314,452.96, 433,952.86 and 171,220.84
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Solution
The fourth proportional to 314,452.96, 433,952.86 and 171,220.84 is: 236,288.99
Step by Step Solution
- Step 1: Write the proportion equation
314,452.96 : 433,952.86 = 171,220.84 : x - Step 2: Convert to fraction form
314,452.96/433,952.86 = 171,220.84/x - Step 3: Cross multiply
314,452.96x = 433,952.86 × 171,220.84 - Step 4: Simplify right side
314,452.96x = 74,301,773,209.60 - Step 5: Solve for x
x = 74,301,773,209.60/314,452.96 - Step 6: Final answer
x = 236,288.99
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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.