Finding the Fourth Proportional to 147,865.08, 204,064.44 and 84,206.96
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Solution
The fourth proportional to 147,865.08, 204,064.44 and 84,206.96 is: 116,211.66
Step by Step Solution
- Step 1: Write the proportion equation
147,865.08 : 204,064.44 = 84,206.96 : x - Step 2: Convert to fraction form
147,865.08/204,064.44 = 84,206.96/x - Step 3: Cross multiply
147,865.08x = 204,064.44 × 84,206.96 - Step 4: Simplify right side
147,865.08x = 17,183,646,136.50 - Step 5: Solve for x
x = 17,183,646,136.50/147,865.08 - Step 6: Final answer
x = 116,211.66
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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.