Finding the Fourth Proportional to 145,492.91, 218,248.60 and 45,657.05
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Solution
The fourth proportional to 145,492.91, 218,248.60 and 45,657.05 is: 68,488.46
Step by Step Solution
- Step 1: Write the proportion equation
145,492.91 : 218,248.60 = 45,657.05 : x - Step 2: Convert to fraction form
145,492.91/218,248.60 = 45,657.05/x - Step 3: Cross multiply
145,492.91x = 218,248.60 × 45,657.05 - Step 4: Simplify right side
145,492.91x = 9,964,586,037.24 - Step 5: Solve for x
x = 9,964,586,037.24/145,492.91 - Step 6: Final answer
x = 68,488.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.