Finding the Fourth Proportional to 347,346.36, 521,268.62 and 147,806.91
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Solution
The fourth proportional to 347,346.36, 521,268.62 and 147,806.91 is: 221,816.35
Step by Step Solution
- Step 1: Write the proportion equation
347,346.36 : 521,268.62 = 147,806.91 : x - Step 2: Convert to fraction form
347,346.36/521,268.62 = 147,806.91/x - Step 3: Cross multiply
347,346.36x = 521,268.62 × 147,806.91 - Step 4: Simplify right side
347,346.36x = 77,047,103,263.13 - Step 5: Solve for x
x = 77,047,103,263.13/347,346.36 - Step 6: Final answer
x = 221,816.35
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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.