Finding the Fourth Proportional to 474,902.42, 655,366.42 and 257,113.40
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Solution
The fourth proportional to 474,902.42, 655,366.42 and 257,113.40 is: 354,817.08
Step by Step Solution
- Step 1: Write the proportion equation
474,902.42 : 655,366.42 = 257,113.40 : x - Step 2: Convert to fraction form
474,902.42/655,366.42 = 257,113.40/x - Step 3: Cross multiply
474,902.42x = 655,366.42 × 257,113.40 - Step 4: Simplify right side
474,902.42x = 168,503,488,492.03 - Step 5: Solve for x
x = 168,503,488,492.03/474,902.42 - Step 6: Final answer
x = 354,817.08
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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.