Finding the Fourth Proportional to 307,490.99, 461,191.85 and 117,999.05
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Solution
The fourth proportional to 307,490.99, 461,191.85 and 117,999.05 is: 176,981.46
Step by Step Solution
- Step 1: Write the proportion equation
307,490.99 : 461,191.85 = 117,999.05 : x - Step 2: Convert to fraction form
307,490.99/461,191.85 = 117,999.05/x - Step 3: Cross multiply
307,490.99x = 461,191.85 × 117,999.05 - Step 4: Simplify right side
307,490.99x = 54,420,201,937.46 - Step 5: Solve for x
x = 54,420,201,937.46/307,490.99 - Step 6: Final answer
x = 176,981.46
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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.