Finding the Fourth Proportional to 286,156.49, 395,001.99 and 245,707.79
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Solution
The fourth proportional to 286,156.49, 395,001.99 and 245,707.79 is: 339,167.79
Step by Step Solution
- Step 1: Write the proportion equation
286,156.49 : 395,001.99 = 245,707.79 : x - Step 2: Convert to fraction form
286,156.49/395,001.99 = 245,707.79/x - Step 3: Cross multiply
286,156.49x = 395,001.99 × 245,707.79 - Step 4: Simplify right side
286,156.49x = 97,055,064,033.49 - Step 5: Solve for x
x = 97,055,064,033.49/286,156.49 - Step 6: Final answer
x = 339,167.79
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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.