Finding the Fourth Proportional to 205,258.01, 283,416.23 and 157,435.61
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Solution
The fourth proportional to 205,258.01, 283,416.23 and 157,435.61 is: 217,384.00
Step by Step Solution
- Step 1: Write the proportion equation
205,258.01 : 283,416.23 = 157,435.61 : x - Step 2: Convert to fraction form
205,258.01/283,416.23 = 157,435.61/x - Step 3: Cross multiply
205,258.01x = 283,416.23 × 157,435.61 - Step 4: Simplify right side
205,258.01x = 44,619,806,030.46 - Step 5: Solve for x
x = 44,619,806,030.46/205,258.01 - Step 6: Final answer
x = 217,384.00
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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.