Finding the Fourth Proportional to 230,965.48, 318,952.47 and 218,386.14
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Solution
The fourth proportional to 230,965.48, 318,952.47 and 218,386.14 is: 301,580.99
Step by Step Solution
- Step 1: Write the proportion equation
230,965.48 : 318,952.47 = 218,386.14 : x - Step 2: Convert to fraction form
230,965.48/318,952.47 = 218,386.14/x - Step 3: Cross multiply
230,965.48x = 318,952.47 × 218,386.14 - Step 4: Simplify right side
230,965.48x = 69,654,798,766.77 - Step 5: Solve for x
x = 69,654,798,766.77/230,965.48 - Step 6: Final answer
x = 301,580.99
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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.