Finding the Fourth Proportional to 536,418.30, 740,270.28 and 294,716.52
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Solution
The fourth proportional to 536,418.30, 740,270.28 and 294,716.52 is: 406,715.95
Step by Step Solution
- Step 1: Write the proportion equation
536,418.30 : 740,270.28 = 294,716.52 : x - Step 2: Convert to fraction form
536,418.30/740,270.28 = 294,716.52/x - Step 3: Cross multiply
536,418.30x = 740,270.28 × 294,716.52 - Step 4: Simplify right side
536,418.30x = 218,169,880,781.03 - Step 5: Solve for x
x = 218,169,880,781.03/536,418.30 - Step 6: Final answer
x = 406,715.95
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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.