Finding the Fourth Proportional to 356,647.66, 535,041.42 and 132,009.99
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Solution
The fourth proportional to 356,647.66, 535,041.42 and 132,009.99 is: 198,040.86
Step by Step Solution
- Step 1: Write the proportion equation
356,647.66 : 535,041.42 = 132,009.99 : x - Step 2: Convert to fraction form
356,647.66/535,041.42 = 132,009.99/x - Step 3: Cross multiply
356,647.66x = 535,041.42 × 132,009.99 - Step 4: Simplify right side
356,647.66x = 70,630,810,002.34 - Step 5: Solve for x
x = 70,630,810,002.34/356,647.66 - Step 6: Final answer
x = 198,040.86
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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.