Finding the Fourth Proportional to 256,632.99, 354,139.11 and 141,904.95
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Solution
The fourth proportional to 256,632.99, 354,139.11 and 141,904.95 is: 195,820.86
Step by Step Solution
- Step 1: Write the proportion equation
256,632.99 : 354,139.11 = 141,904.95 : x - Step 2: Convert to fraction form
256,632.99/354,139.11 = 141,904.95/x - Step 3: Cross multiply
256,632.99x = 354,139.11 × 141,904.95 - Step 4: Simplify right side
256,632.99x = 50,254,092,697.59 - Step 5: Solve for x
x = 50,254,092,697.59/256,632.99 - Step 6: Final answer
x = 195,820.86
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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.