Finding the Fourth Proportional to 213,246.18, 319,869.63 and 73,006.02
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Solution
The fourth proportional to 213,246.18, 319,869.63 and 73,006.02 is: 109,509.15
Step by Step Solution
- Step 1: Write the proportion equation
213,246.18 : 319,869.63 = 73,006.02 : x - Step 2: Convert to fraction form
213,246.18/319,869.63 = 73,006.02/x - Step 3: Cross multiply
213,246.18x = 319,869.63 × 73,006.02 - Step 4: Simplify right side
213,246.18x = 23,352,408,605.17 - Step 5: Solve for x
x = 23,352,408,605.17/213,246.18 - Step 6: Final answer
x = 109,509.15
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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.