Finding the Fourth Proportional to 153,122.01, 229,683.04 and 47,949.19
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Solution
The fourth proportional to 153,122.01, 229,683.04 and 47,949.19 is: 71,923.79
Step by Step Solution
- Step 1: Write the proportion equation
153,122.01 : 229,683.04 = 47,949.19 : x - Step 2: Convert to fraction form
153,122.01/229,683.04 = 47,949.19/x - Step 3: Cross multiply
153,122.01x = 229,683.04 × 47,949.19 - Step 4: Simplify right side
153,122.01x = 11,013,115,484.99 - Step 5: Solve for x
x = 11,013,115,484.99/153,122.01 - Step 6: Final answer
x = 71,923.79
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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.