Finding the Fourth Proportional to 150,042.06, 207,083.50 and 86,416.68
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Solution
The fourth proportional to 150,042.06, 207,083.50 and 86,416.68 is: 119,269.68
Step by Step Solution
- Step 1: Write the proportion equation
150,042.06 : 207,083.50 = 86,416.68 : x - Step 2: Convert to fraction form
150,042.06/207,083.50 = 86,416.68/x - Step 3: Cross multiply
150,042.06x = 207,083.50 × 86,416.68 - Step 4: Simplify right side
150,042.06x = 17,895,468,552.78 - Step 5: Solve for x
x = 17,895,468,552.78/150,042.06 - Step 6: Final answer
x = 119,269.68
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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.