Finding the Fourth Proportional to 178,139.35, 245,827.59 and 101,657.07
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Solution
The fourth proportional to 178,139.35, 245,827.59 and 101,657.07 is: 140,284.07
Step by Step Solution
- Step 1: Write the proportion equation
178,139.35 : 245,827.59 = 101,657.07 : x - Step 2: Convert to fraction form
178,139.35/245,827.59 = 101,657.07/x - Step 3: Cross multiply
178,139.35x = 245,827.59 × 101,657.07 - Step 4: Simplify right side
178,139.35x = 24,990,112,715.17 - Step 5: Solve for x
x = 24,990,112,715.17/178,139.35 - Step 6: Final answer
x = 140,284.07
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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.