Finding the Fourth Proportional to 368,756.11, 508,893.05 and 207,617.07
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Solution
The fourth proportional to 368,756.11, 508,893.05 and 207,617.07 is: 286,516.97
Step by Step Solution
- Step 1: Write the proportion equation
368,756.11 : 508,893.05 = 207,617.07 : x - Step 2: Convert to fraction form
368,756.11/508,893.05 = 207,617.07/x - Step 3: Cross multiply
368,756.11x = 508,893.05 × 207,617.07 - Step 4: Simplify right side
368,756.11x = 105,654,882,946.28 - Step 5: Solve for x
x = 105,654,882,946.28/368,756.11 - Step 6: Final answer
x = 286,516.97
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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.