Finding the Fourth Proportional to 150,572.37, 207,788.45 and 82,587.99
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Solution
The fourth proportional to 150,572.37, 207,788.45 and 82,587.99 is: 113,970.65
Step by Step Solution
- Step 1: Write the proportion equation
150,572.37 : 207,788.45 = 82,587.99 : x - Step 2: Convert to fraction form
150,572.37/207,788.45 = 82,587.99/x - Step 3: Cross multiply
150,572.37x = 207,788.45 × 82,587.99 - Step 4: Simplify right side
150,572.37x = 17,160,830,430.72 - Step 5: Solve for x
x = 17,160,830,430.72/150,572.37 - Step 6: Final answer
x = 113,970.65
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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.