Finding the Fourth Proportional to 656,671.68, 906,129.72 and 370,174.68
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Solution
The fourth proportional to 656,671.68, 906,129.72 and 370,174.68 is: 510,797.54
Step by Step Solution
- Step 1: Write the proportion equation
656,671.68 : 906,129.72 = 370,174.68 : x - Step 2: Convert to fraction form
656,671.68/906,129.72 = 370,174.68/x - Step 3: Cross multiply
656,671.68x = 906,129.72 × 370,174.68 - Step 4: Simplify right side
656,671.68x = 335,426,279,139.49 - Step 5: Solve for x
x = 335,426,279,139.49/656,671.68 - Step 6: Final answer
x = 510,797.54
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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.