Finding the Fourth Proportional to 527,417.43, 791,147.97 and 153,440.43
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Solution
The fourth proportional to 527,417.43, 791,147.97 and 153,440.43 is: 230,166.99
Step by Step Solution
- Step 1: Write the proportion equation
527,417.43 : 791,147.97 = 153,440.43 : x - Step 2: Convert to fraction form
527,417.43/791,147.97 = 153,440.43/x - Step 3: Cross multiply
527,417.43x = 791,147.97 × 153,440.43 - Step 4: Simplify right side
527,417.43x = 121,394,084,710.43 - Step 5: Solve for x
x = 121,394,084,710.43/527,417.43 - Step 6: Final answer
x = 230,166.99
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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.