Finding the Fourth Proportional to 102,285.99, 153,357.67 and 45,328.87
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Solution
The fourth proportional to 102,285.99, 153,357.67 and 45,328.87 is: 67,961.70
Step by Step Solution
- Step 1: Write the proportion equation
102,285.99 : 153,357.67 = 45,328.87 : x - Step 2: Convert to fraction form
102,285.99/153,357.67 = 45,328.87/x - Step 3: Cross multiply
102,285.99x = 153,357.67 × 45,328.87 - Step 4: Simplify right side
102,285.99x = 6,951,529,886.93 - Step 5: Solve for x
x = 6,951,529,886.93/102,285.99 - Step 6: Final answer
x = 67,961.70
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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.