Finding the Fourth Proportional to 306,009.08, 458,893.39 and 103,549.44
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Solution
The fourth proportional to 306,009.08, 458,893.39 and 103,549.44 is: 155,283.47
Step by Step Solution
- Step 1: Write the proportion equation
306,009.08 : 458,893.39 = 103,549.44 : x - Step 2: Convert to fraction form
306,009.08/458,893.39 = 103,549.44/x - Step 3: Cross multiply
306,009.08x = 458,893.39 × 103,549.44 - Step 4: Simplify right side
306,009.08x = 47,518,152,483.44 - Step 5: Solve for x
x = 47,518,152,483.44/306,009.08 - Step 6: Final answer
x = 155,283.47
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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.