Finding the Fourth Proportional to 218,457.84, 301,471.08 and 122,964.48
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Solution
The fourth proportional to 218,457.84, 301,471.08 and 122,964.48 is: 169,690.57
Step by Step Solution
- Step 1: Write the proportion equation
218,457.84 : 301,471.08 = 122,964.48 : x - Step 2: Convert to fraction form
218,457.84/301,471.08 = 122,964.48/x - Step 3: Cross multiply
218,457.84x = 301,471.08 × 122,964.48 - Step 4: Simplify right side
218,457.84x = 37,070,234,587.24 - Step 5: Solve for x
x = 37,070,234,587.24/218,457.84 - Step 6: Final answer
x = 169,690.57
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.