Finding the Fourth Proportional to 462,553.93, 693,905.62 and 142,631.07
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Solution
The fourth proportional to 462,553.93, 693,905.62 and 142,631.07 is: 213,969.65
Step by Step Solution
- Step 1: Write the proportion equation
462,553.93 : 693,905.62 = 142,631.07 : x - Step 2: Convert to fraction form
462,553.93/693,905.62 = 142,631.07/x - Step 3: Cross multiply
462,553.93x = 693,905.62 × 142,631.07 - Step 4: Simplify right side
462,553.93x = 98,972,501,059.61 - Step 5: Solve for x
x = 98,972,501,059.61/462,553.93 - Step 6: Final answer
x = 213,969.65
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1.5x scale
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.