Finding the Fourth Proportional to 668,181.60, 1,001,829.60 and 368,805.60
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Solution
The fourth proportional to 668,181.60, 1,001,829.60 and 368,805.60 is: 552,963.99
Step by Step Solution
- Step 1: Write the proportion equation
668,181.60 : 1,001,829.60 = 368,805.60 : x - Step 2: Convert to fraction form
668,181.60/1,001,829.60 = 368,805.60/x - Step 3: Cross multiply
668,181.60x = 1,001,829.60 × 368,805.60 - Step 4: Simplify right side
668,181.60x = 369,480,366,725.76 - Step 5: Solve for x
x = 369,480,366,725.76/668,181.60 - Step 6: Final answer
x = 552,963.99
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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.