Finding the Fourth Proportional to 320,135.99, 441,781.53 and 176,892.95
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Solution
The fourth proportional to 320,135.99, 441,781.53 and 176,892.95 is: 244,108.88
Step by Step Solution
- Step 1: Write the proportion equation
320,135.99 : 441,781.53 = 176,892.95 : x - Step 2: Convert to fraction form
320,135.99/441,781.53 = 176,892.95/x - Step 3: Cross multiply
320,135.99x = 441,781.53 × 176,892.95 - Step 4: Simplify right side
320,135.99x = 78,148,035,888.31 - Step 5: Solve for x
x = 78,148,035,888.31/320,135.99 - Step 6: Final answer
x = 244,108.88
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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.