Finding the Fourth Proportional to 224,615.93, 309,967.63 and 122,641.08
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Solution
The fourth proportional to 224,615.93, 309,967.63 and 122,641.08 is: 169,243.40
Step by Step Solution
- Step 1: Write the proportion equation
224,615.93 : 309,967.63 = 122,641.08 : x - Step 2: Convert to fraction form
224,615.93/309,967.63 = 122,641.08/x - Step 3: Cross multiply
224,615.93x = 309,967.63 × 122,641.08 - Step 4: Simplify right side
224,615.93x = 38,014,763,439.26 - Step 5: Solve for x
x = 38,014,763,439.26/224,615.93 - Step 6: Final answer
x = 169,243.40
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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.