Finding the Fourth Proportional to 121,297.70, 181,946.55 and 62,113.70
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Solution
The fourth proportional to 121,297.70, 181,946.55 and 62,113.70 is: 93,170.55
Step by Step Solution
- Step 1: Write the proportion equation
121,297.70 : 181,946.55 = 62,113.70 : x - Step 2: Convert to fraction form
121,297.70/181,946.55 = 62,113.70/x - Step 3: Cross multiply
121,297.70x = 181,946.55 × 62,113.70 - Step 4: Simplify right side
121,297.70x = 11,301,373,422.74 - Step 5: Solve for x
x = 11,301,373,422.74/121,297.70 - Step 6: Final answer
x = 93,170.55
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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.