Finding the Fourth Proportional to 240,184.99, 360,000.12 and 90,329.62
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Solution
The fourth proportional to 240,184.99, 360,000.12 and 90,329.62 is: 135,390.12
Step by Step Solution
- Step 1: Write the proportion equation
240,184.99 : 360,000.12 = 90,329.62 : x - Step 2: Convert to fraction form
240,184.99/360,000.12 = 90,329.62/x - Step 3: Cross multiply
240,184.99x = 360,000.12 × 90,329.62 - Step 4: Simplify right side
240,184.99x = 32,518,674,039.55 - Step 5: Solve for x
x = 32,518,674,039.55/240,184.99 - Step 6: Final answer
x = 135,390.12
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1.5x scale
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.