Finding the Fourth Proportional to 140,745.95, 211,132.79 and 40,907.02
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Solution
The fourth proportional to 140,745.95, 211,132.79 and 40,907.02 is: 61,364.55
Step by Step Solution
- Step 1: Write the proportion equation
140,745.95 : 211,132.79 = 40,907.02 : x - Step 2: Convert to fraction form
140,745.95/211,132.79 = 40,907.02/x - Step 3: Cross multiply
140,745.95x = 211,132.79 × 40,907.02 - Step 4: Simplify right side
140,745.95x = 8,636,812,002.99 - Step 5: Solve for x
x = 8,636,812,002.99/140,745.95 - Step 6: Final answer
x = 61,364.55
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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.