Finding the Fourth Proportional to 238,065.99, 328,530.16 and 130,637.82
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Solution
The fourth proportional to 238,065.99, 328,530.16 and 130,637.82 is: 180,279.69
Step by Step Solution
- Step 1: Write the proportion equation
238,065.99 : 328,530.16 = 130,637.82 : x - Step 2: Convert to fraction form
238,065.99/328,530.16 = 130,637.82/x - Step 3: Cross multiply
238,065.99x = 328,530.16 × 130,637.82 - Step 4: Simplify right side
238,065.99x = 42,918,463,906.65 - Step 5: Solve for x
x = 42,918,463,906.65/238,065.99 - Step 6: Final answer
x = 180,279.69
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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.