Finding the Fourth Proportional to 135,089.76, 202,638.74 and 46,341.98
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Solution
The fourth proportional to 135,089.76, 202,638.74 and 46,341.98 is: 69,514.38
Step by Step Solution
- Step 1: Write the proportion equation
135,089.76 : 202,638.74 = 46,341.98 : x - Step 2: Convert to fraction form
135,089.76/202,638.74 = 46,341.98/x - Step 3: Cross multiply
135,089.76x = 202,638.74 × 46,341.98 - Step 4: Simplify right side
135,089.76x = 9,390,681,351.81 - Step 5: Solve for x
x = 9,390,681,351.81/135,089.76 - Step 6: Final answer
x = 69,514.38
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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.