Finding the Fourth Proportional to 268,309.01, 370,248.54 and 147,447.70
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Solution
The fourth proportional to 268,309.01, 370,248.54 and 147,447.70 is: 203,467.99
Step by Step Solution
- Step 1: Write the proportion equation
268,309.01 : 370,248.54 = 147,447.70 : x - Step 2: Convert to fraction form
268,309.01/370,248.54 = 147,447.70/x - Step 3: Cross multiply
268,309.01x = 370,248.54 × 147,447.70 - Step 4: Simplify right side
268,309.01x = 54,592,294,914.12 - Step 5: Solve for x
x = 54,592,294,914.12/268,309.01 - Step 6: Final answer
x = 203,467.99
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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.