Finding the Fourth Proportional to 432,587.66, 648,659.97 and 230,298.68
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Solution
The fourth proportional to 432,587.66, 648,659.97 and 230,298.68 is: 345,330.09
Step by Step Solution
- Step 1: Write the proportion equation
432,587.66 : 648,659.97 = 230,298.68 : x - Step 2: Convert to fraction form
432,587.66/648,659.97 = 230,298.68/x - Step 3: Cross multiply
432,587.66x = 648,659.97 × 230,298.68 - Step 4: Simplify right side
432,587.66x = 149,385,534,859.84 - Step 5: Solve for x
x = 149,385,534,859.84/432,587.66 - Step 6: Final answer
x = 345,330.09
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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.