Finding the Fourth Proportional to 519,495.35, 716,896.58 and 290,056.17
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Solution
The fourth proportional to 519,495.35, 716,896.58 and 290,056.17 is: 400,273.60
Step by Step Solution
- Step 1: Write the proportion equation
519,495.35 : 716,896.58 = 290,056.17 : x - Step 2: Convert to fraction form
519,495.35/716,896.58 = 290,056.17/x - Step 3: Cross multiply
519,495.35x = 716,896.58 × 290,056.17 - Step 4: Simplify right side
519,495.35x = 207,940,276,280.90 - Step 5: Solve for x
x = 207,940,276,280.90/519,495.35 - Step 6: Final answer
x = 400,273.60
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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.