Finding the Fourth Proportional to 156,794.82, 216,329.18 and 88,800.99
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Solution
The fourth proportional to 156,794.82, 216,329.18 and 88,800.99 is: 122,518.36
Step by Step Solution
- Step 1: Write the proportion equation
156,794.82 : 216,329.18 = 88,800.99 : x - Step 2: Convert to fraction form
156,794.82/216,329.18 = 88,800.99/x - Step 3: Cross multiply
156,794.82x = 216,329.18 × 88,800.99 - Step 4: Simplify right side
156,794.82x = 19,210,244,905.88 - Step 5: Solve for x
x = 19,210,244,905.88/156,794.82 - Step 6: Final answer
x = 122,518.36
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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.