Finding the Fourth Proportional to 146,887.95, 202,690.11 and 86,454.99
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Solution
The fourth proportional to 146,887.95, 202,690.11 and 86,454.99 is: 119,298.90
Step by Step Solution
- Step 1: Write the proportion equation
146,887.95 : 202,690.11 = 86,454.99 : x - Step 2: Convert to fraction form
146,887.95/202,690.11 = 86,454.99/x - Step 3: Cross multiply
146,887.95x = 202,690.11 × 86,454.99 - Step 4: Simplify right side
146,887.95x = 17,523,570,822.56 - Step 5: Solve for x
x = 17,523,570,822.56/146,887.95 - Step 6: Final answer
x = 119,298.90
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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.