Finding the Fourth Proportional to 152,340.36, 210,227.12 and 84,355.88
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Solution
The fourth proportional to 152,340.36, 210,227.12 and 84,355.88 is: 116,409.68
Step by Step Solution
- Step 1: Write the proportion equation
152,340.36 : 210,227.12 = 84,355.88 : x - Step 2: Convert to fraction form
152,340.36/210,227.12 = 84,355.88/x - Step 3: Cross multiply
152,340.36x = 210,227.12 × 84,355.88 - Step 4: Simplify right side
152,340.36x = 17,733,892,234.55 - Step 5: Solve for x
x = 17,733,892,234.55/152,340.36 - Step 6: Final answer
x = 116,409.68
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1.5x scale
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.