Finding the Fourth Proportional to 219,623.07, 302,853.56 and 187,896.99
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Solution
The fourth proportional to 219,623.07, 302,853.56 and 187,896.99 is: 259,104.25
Step by Step Solution
- Step 1: Write the proportion equation
219,623.07 : 302,853.56 = 187,896.99 : x - Step 2: Convert to fraction form
219,623.07/302,853.56 = 187,896.99/x - Step 3: Cross multiply
219,623.07x = 302,853.56 × 187,896.99 - Step 4: Simplify right side
219,623.07x = 56,905,271,395.30 - Step 5: Solve for x
x = 56,905,271,395.30/219,623.07 - Step 6: Final answer
x = 259,104.25
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.