Finding the Fourth Proportional to 261,252.61, 391,681.47 and 134,837.93
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Solution
The fourth proportional to 261,252.61, 391,681.47 and 134,837.93 is: 202,154.99
Step by Step Solution
- Step 1: Write the proportion equation
261,252.61 : 391,681.47 = 134,837.93 : x - Step 2: Convert to fraction form
261,252.61/391,681.47 = 134,837.93/x - Step 3: Cross multiply
261,252.61x = 391,681.47 × 134,837.93 - Step 4: Simplify right side
261,252.61x = 52,813,518,634.16 - Step 5: Solve for x
x = 52,813,518,634.16/261,252.61 - Step 6: Final answer
x = 202,154.99
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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.