Finding the Fourth Proportional to 258,521.04, 387,988.92 and 133,897.68
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Solution
The fourth proportional to 258,521.04, 387,988.92 and 133,897.68 is: 200,953.92
Step by Step Solution
- Step 1: Write the proportion equation
258,521.04 : 387,988.92 = 133,897.68 : x - Step 2: Convert to fraction form
258,521.04/387,988.92 = 133,897.68/x - Step 3: Cross multiply
258,521.04x = 387,988.92 × 133,897.68 - Step 4: Simplify right side
258,521.04x = 51,950,816,253.71 - Step 5: Solve for x
x = 51,950,816,253.71/258,521.04 - Step 6: Final answer
x = 200,953.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.