Finding the Fourth Proportional to 134,339.80, 201,509.70 and 113,603.80
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Solution
The fourth proportional to 134,339.80, 201,509.70 and 113,603.80 is: 170,405.70
Step by Step Solution
- Step 1: Write the proportion equation
134,339.80 : 201,509.70 = 113,603.80 : x - Step 2: Convert to fraction form
134,339.80/201,509.70 = 113,603.80/x - Step 3: Cross multiply
134,339.80x = 201,509.70 × 113,603.80 - Step 4: Simplify right side
134,339.80x = 22,892,267,656.86 - Step 5: Solve for x
x = 22,892,267,656.86/134,339.80 - Step 6: Final answer
x = 170,405.70
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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.