Finding the Fourth Proportional to 514,857.15, 709,715.36 and 361,465.02
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Solution
The fourth proportional to 514,857.15, 709,715.36 and 361,465.02 is: 498,268.84
Step by Step Solution
- Step 1: Write the proportion equation
514,857.15 : 709,715.36 = 361,465.02 : x - Step 2: Convert to fraction form
514,857.15/709,715.36 = 361,465.02/x - Step 3: Cross multiply
514,857.15x = 709,715.36 × 361,465.02 - Step 4: Simplify right side
514,857.15x = 256,537,274,989.38 - Step 5: Solve for x
x = 256,537,274,989.38/514,857.15 - Step 6: Final answer
x = 498,268.84
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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.