Finding the Fourth Proportional to 152,619.49, 228,898.06 and 57,816.99
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Solution
The fourth proportional to 152,619.49, 228,898.06 and 57,816.99 is: 86,713.67
Step by Step Solution
- Step 1: Write the proportion equation
152,619.49 : 228,898.06 = 57,816.99 : x - Step 2: Convert to fraction form
152,619.49/228,898.06 = 57,816.99/x - Step 3: Cross multiply
152,619.49x = 228,898.06 × 57,816.99 - Step 4: Simplify right side
152,619.49x = 13,234,196,846.04 - Step 5: Solve for x
x = 13,234,196,846.04/152,619.49 - Step 6: Final answer
x = 86,713.67
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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.