Finding the Fourth Proportional to 144,840.04, 216,269.21 and 129,749.74
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Solution
The fourth proportional to 144,840.04, 216,269.21 and 129,749.74 is: 193,736.99
Step by Step Solution
- Step 1: Write the proportion equation
144,840.04 : 216,269.21 = 129,749.74 : x - Step 2: Convert to fraction form
144,840.04/216,269.21 = 129,749.74/x - Step 3: Cross multiply
144,840.04x = 216,269.21 × 129,749.74 - Step 4: Simplify right side
144,840.04x = 28,060,873,767.51 - Step 5: Solve for x
x = 28,060,873,767.51/144,840.04 - Step 6: Final answer
x = 193,736.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.