Finding the Fourth Proportional to 314,354.99, 433,809.93 and 171,115.02
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Solution
The fourth proportional to 314,354.99, 433,809.93 and 171,115.02 is: 236,138.76
Step by Step Solution
- Step 1: Write the proportion equation
314,354.99 : 433,809.93 = 171,115.02 : x - Step 2: Convert to fraction form
314,354.99/433,809.93 = 171,115.02/x - Step 3: Cross multiply
314,354.99x = 433,809.93 × 171,115.02 - Step 4: Simplify right side
314,354.99x = 74,231,394,848.15 - Step 5: Solve for x
x = 74,231,394,848.15/314,354.99 - Step 6: Final answer
x = 236,138.76
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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.