Finding the Fourth Proportional to 368,469.02, 508,497.18 and 207,329.79
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Solution
The fourth proportional to 368,469.02, 508,497.18 and 207,329.79 is: 286,120.70
Step by Step Solution
- Step 1: Write the proportion equation
368,469.02 : 508,497.18 = 207,329.79 : x - Step 2: Convert to fraction form
368,469.02/508,497.18 = 207,329.79/x - Step 3: Cross multiply
368,469.02x = 508,497.18 × 207,329.79 - Step 4: Simplify right side
368,469.02x = 105,426,613,544.99 - Step 5: Solve for x
x = 105,426,613,544.99/368,469.02 - Step 6: Final answer
x = 286,120.70
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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.