Finding the Fourth Proportional to 368,274.98, 508,214.47 and 207,129.99
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Solution
The fourth proportional to 368,274.98, 508,214.47 and 207,129.99 is: 285,836.57
Step by Step Solution
- Step 1: Write the proportion equation
368,274.98 : 508,214.47 = 207,129.99 : x - Step 2: Convert to fraction form
368,274.98/508,214.47 = 207,129.99/x - Step 3: Cross multiply
368,274.98x = 508,214.47 × 207,129.99 - Step 4: Simplify right side
368,274.98x = 105,266,457,006.60 - Step 5: Solve for x
x = 105,266,457,006.60/368,274.98 - Step 6: Final answer
x = 285,836.57
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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.