Finding the Fourth Proportional to 279,136.13, 418,545.64 and 190,497.02
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Solution
The fourth proportional to 279,136.13, 418,545.64 and 190,497.02 is: 285,637.32
Step by Step Solution
- Step 1: Write the proportion equation
279,136.13 : 418,545.64 = 190,497.02 : x - Step 2: Convert to fraction form
279,136.13/418,545.64 = 190,497.02/x - Step 3: Cross multiply
279,136.13x = 418,545.64 × 190,497.02 - Step 4: Simplify right side
279,136.13x = 79,731,696,201.51 - Step 5: Solve for x
x = 79,731,696,201.51/279,136.13 - Step 6: Final answer
x = 285,637.32
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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.