Finding the Fourth Proportional to 423,008.73, 583,748.88 and 232,020.75
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Solution
The fourth proportional to 423,008.73, 583,748.88 and 232,020.75 is: 320,186.90
Step by Step Solution
- Step 1: Write the proportion equation
423,008.73 : 583,748.88 = 232,020.75 : x - Step 2: Convert to fraction form
423,008.73/583,748.88 = 232,020.75/x - Step 3: Cross multiply
423,008.73x = 583,748.88 × 232,020.75 - Step 4: Simplify right side
423,008.73x = 135,441,854,268.24 - Step 5: Solve for x
x = 135,441,854,268.24/423,008.73 - Step 6: Final answer
x = 320,186.90
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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.