Finding the Fourth Proportional to 519,495.60, 716,896.92 and 290,056.42
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Solution
The fourth proportional to 519,495.60, 716,896.92 and 290,056.42 is: 400,273.95
Step by Step Solution
- Step 1: Write the proportion equation
519,495.60 : 716,896.92 = 290,056.42 : x - Step 2: Convert to fraction form
519,495.60/716,896.92 = 290,056.42/x - Step 3: Cross multiply
519,495.60x = 716,896.92 × 290,056.42 - Step 4: Simplify right side
519,495.60x = 207,940,554,124.23 - Step 5: Solve for x
x = 207,940,554,124.23/519,495.60 - Step 6: Final answer
x = 400,273.95
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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.