Finding the Fourth Proportional to 423,174.65, 583,991.75 and 232,187.99
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Solution
The fourth proportional to 423,174.65, 583,991.75 and 232,187.99 is: 320,425.31
Step by Step Solution
- Step 1: Write the proportion equation
423,174.65 : 583,991.75 = 232,187.99 : x - Step 2: Convert to fraction form
423,174.65/583,991.75 = 232,187.99/x - Step 3: Cross multiply
423,174.65x = 583,991.75 × 232,187.99 - Step 4: Simplify right side
423,174.65x = 135,595,868,269.59 - Step 5: Solve for x
x = 135,595,868,269.59/423,174.65 - Step 6: Final answer
x = 320,425.31
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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.