Finding the Fourth Proportional to 140,421.99, 210,632.99 and 46,927.74
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Solution
The fourth proportional to 140,421.99, 210,632.99 and 46,927.74 is: 70,391.61
Step by Step Solution
- Step 1: Write the proportion equation
140,421.99 : 210,632.99 = 46,927.74 : x - Step 2: Convert to fraction form
140,421.99/210,632.99 = 46,927.74/x - Step 3: Cross multiply
140,421.99x = 210,632.99 × 46,927.74 - Step 4: Simplify right side
140,421.99x = 9,884,529,955.50 - Step 5: Solve for x
x = 9,884,529,955.50/140,421.99 - Step 6: Final answer
x = 70,391.61
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Similar ratio
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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.