Finding the Fourth Proportional to 177,030.99, 265,595.76 and 77,200.02
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Solution
The fourth proportional to 177,030.99, 265,595.76 and 77,200.02 is: 115,821.52
Step by Step Solution
- Step 1: Write the proportion equation
177,030.99 : 265,595.76 = 77,200.02 : x - Step 2: Convert to fraction form
177,030.99/265,595.76 = 77,200.02/x - Step 3: Cross multiply
177,030.99x = 265,595.76 × 77,200.02 - Step 4: Simplify right side
177,030.99x = 20,503,997,983.92 - Step 5: Solve for x
x = 20,503,997,983.92/177,030.99 - Step 6: Final answer
x = 115,821.52
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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.