Finding the Fourth Proportional to 289,800.18, 434,825.42 and 156,774.08
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Solution
The fourth proportional to 289,800.18, 434,825.42 and 156,774.08 is: 235,228.82
Step by Step Solution
- Step 1: Write the proportion equation
289,800.18 : 434,825.42 = 156,774.08 : x - Step 2: Convert to fraction form
289,800.18/434,825.42 = 156,774.08/x - Step 3: Cross multiply
289,800.18x = 434,825.42 × 156,774.08 - Step 4: Simplify right side
289,800.18x = 68,169,355,484.31 - Step 5: Solve for x
x = 68,169,355,484.31/289,800.18 - Step 6: Final answer
x = 235,228.82
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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.