Finding the Fourth Proportional to 215,925.06, 297,977.10 and 120,437.94
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Solution
The fourth proportional to 215,925.06, 297,977.10 and 120,437.94 is: 166,204.65
Step by Step Solution
- Step 1: Write the proportion equation
215,925.06 : 297,977.10 = 120,437.94 : x - Step 2: Convert to fraction form
215,925.06/297,977.10 = 120,437.94/x - Step 3: Cross multiply
215,925.06x = 297,977.10 × 120,437.94 - Step 4: Simplify right side
215,925.06x = 35,887,748,091.17 - Step 5: Solve for x
x = 35,887,748,091.17/215,925.06 - Step 6: Final answer
x = 166,204.65
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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.